{"id":1279,"date":"2026-01-01T11:10:46","date_gmt":"2026-01-01T03:10:46","guid":{"rendered":"https:\/\/haoyumaterial.com\/?post_type=product&#038;p=1279"},"modified":"2026-01-01T11:10:46","modified_gmt":"2026-01-01T03:10:46","slug":"4340-metal-high-strength-alloy-steel-bar-properties","status":"publish","type":"product","link":"https:\/\/haoyumaterial.com\/zh\/product\/4340-metal-high-strength-alloy-steel-bar-properties\/","title":{"rendered":"4340 \u9ad8\u5f37\u5ea6\u5408\u91d1\u92fc\u68d2\u6027\u80fd"},"content":{"rendered":"<h2>4340 \u91d1\u5c6c\uff1a\u7d42\u6975\u9ad8\u5f37\u5ea6\u5408\u91d1\u92fc<\/h2>\n<p>\u7576\u60a8\u7684\u5c08\u6848\u9700\u8981\u4e00\u7a2e\u5728\u6975\u7aef\u61c9\u529b\u4e0b\u4e0d\u6703\u5931\u6548\u7684\u6750\u6599\u6642\uff0c,\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u662f\u884c\u696d\u6a19\u6e96\u3002\u4f5c\u70ba\u9ad8\u5f37\u5ea6\u7d50\u69cb\u92fc\u7684\u9802\u5c16\u4f9b\u61c9\u5546\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e\u5f62\u5f0f\u7684 AISI 4340\uff0c\u5305\u62ec\u5713\u68d2\u3001\u677f\u6750\u548c\u5b9a\u5236\u5207\u5272\u584a\u3002\u9019\u7a2e\u93b3\u927b\u926c\u5408\u91d1\u5c08\u70ba\u9700\u8981\u5353\u8d8a\u5f37\u5ea6\u3001\u97cc\u6027\u548c\u8010\u78e8\u6027\u7d50\u5408\u7684\u96f6\u4ef6\u800c\u8a2d\u8a08\u3002.<\/p>\n<h3>\u70ba\u4f55 4340 \u92fc\u5728\u8271\u96e3\u61c9\u7528\u4e2d\u4f54\u64da\u4e3b\u5c0e\u5730\u4f4d<\/h3>\n<p>\u5728\u91cd\u578b\u6a5f\u68b0\u548c\u822a\u7a7a\u822a\u5929\u9818\u57df\uff0c\u201c\u97cc\u6027\u201d\u4e0d\u50c5\u50c5\u662f\u4e00\u500b\u6d41\u884c\u8a5e\u2014\u2014\u5b83\u662f\u5fc5\u9700\u54c1\u3002.\u00a0<strong>AISI 4340 \u92fc<\/strong>\u00a0\u56e0\u5176\u5728\u78b3\u92fc\u6216\u8f03\u4f4e\u5408\u91d1\u6750\u6599\u53ef\u80fd\u7834\u88c2\u7684\u74b0\u5883\u4e2d\u4ecd\u80fd\u4fdd\u6301\u5176\u6a5f\u68b0\u5b8c\u6574\u6027\u800c\u812b\u7a4e\u800c\u51fa\u3002.<\/p>\n<ul>\n<li><strong>\u5353\u8d8a\u97cc\u6027\uff1a<\/strong>\u00a0\u5373\u4f7f\u5728\u4f4e\u6eab\u4e0b\u4e5f\u80fd\u6297\u8106\u6027\u65b7\u88c2\u3002.<\/li>\n<li><strong>\u9ad8\u5ef6\u5c55\u6027\uff1a<\/strong>\u00a0\u8207\u8a31\u591a\u9ad8\u5f37\u5ea6\u91d1\u5c6c\u4e0d\u540c\uff0c4340 \u5728\u9000\u706b\u5f8c\u53ef\u4ee5\u6709\u6548\u6210\u5f62\u548c\u52a0\u5de5\u3002.<\/li>\n<li><strong>\u6df1\u5c64\u6dec\u706b\uff1a<\/strong>\u00a0\u93b3\u548c\u926c\u7684\u52a0\u5165\u78ba\u4fdd\u6750\u6599\u5728\u6574\u500b\u622a\u9762\u4e0a\u9054\u5230\u5747\u52fb\u7684\u6027\u80fd\u3002.<\/li>\n<\/ul>\n<h3>\u6df1\u5c64\u6dec\u900f\u6027\u8207\u75b2\u52de\u6297\u6027<\/h3>\n<p>\u6211\u5011\u63a8\u85a6\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u662f\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u5c0d\u65bc\u95dc\u9375\u96f6\u4ef6\u800c\u8a00\uff0c\u5176\u5353\u8d8a\u7684\u6dec\u786c\u6027\u662f\u5176\u7279\u9ede\u3002\u96d6\u7136\u5176\u4ed6\u5408\u91d1\u53ef\u80fd\u53ea\u5728\u8868\u9762\u786c\u5316\uff0c4340\u537b\u80fd\u5728\u5927\u76f4\u5f91\u622a\u9762\u6df1\u5c64\u767c\u5c55\u51fa\u9ad8\u5f37\u5ea6\u3002.<\/p>\n<p><strong>\u95dc\u9375\u6027\u80fd\u56e0\u7d20\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u75b2\u52de\u6297\u6027\uff1a<\/strong>\u00a0\u512a\u7570\u7684\u6297\u5faa\u74b0\u8f09\u8377\u80fd\u529b\uff0c\u4f7f\u5176\u6210\u70ba\u66f2\u8ef8\u548c\u50b3\u52d5\u9f52\u8f2a\u7684\u9996\u9078\u6750\u6599\u3002.<\/li>\n<li><strong>\u71b1\u8655\u7406\u591a\u6a23\u6027\uff1a<\/strong>\u00a0\u6211\u5011\u63d0\u4f9b\u6b64\u6750\u6599\u7684\u72c0\u614b\u5305\u62ec\u00a0<strong>\u6dec\u706b\u56de\u706b\uff08Q+T\uff09<\/strong>\u00a0\u6216\u9000\u706b\u72c0\u614b\uff0c\u6839\u64da\u60a8\u7684\u52a0\u5de5\u548c\u5f37\u5ea6\u9700\u6c42\u800c\u5b9a\u3002.<\/li>\n<li><strong>\u885d\u64ca\u97cc\u6027\uff1a<\/strong>\u00a0\u5b83\u80fd\u6709\u6548\u5438\u6536\u80fd\u91cf\uff0c\u4fdd\u8b77\u9ad8\u50f9\u503c\u7d44\u4ef6\u514d\u53d7\u7a81\u767c\u9707\u52d5\u6216\u885d\u64ca\u8f09\u8377\u7684\u640d\u5bb3\u3002.<\/li>\n<\/ul>\n<p>\u9078\u64c7\u6211\u5011\u7684\u9ad8\u54c1\u8cea\u00a0<strong>\u93b3\u927b\u926c\u92fc<\/strong>, \uff0c\u60a8\u6295\u8cc7\u7684\u662f\u7d93\u904e\u56b4\u683c\u6e2c\u8a66\u4e26\u9644\u6709\u5b8c\u6574\u6750\u6599\u6aa2\u9a57\u8b49\u66f8\uff08MTC\uff09\u7684\u6750\u6599\u3002\u7121\u8ad6\u60a8\u662f\u88fd\u9020\u98db\u6a5f\u8d77\u843d\u67b6\u9084\u662f\u91cd\u578b\u50b3\u52d5\u8ef8\uff0c\u6211\u5011\u76844340\u91d1\u5c6c\u90fd\u80fd\u63d0\u4f9b\u53ef\u9760\u6027\uff0c\u8b93\u60a8\u7684\u8072\u8b7d\u5f97\u5230\u4fdd\u969c\u3002.<\/p>\n<h2>4340\u91d1\u5c6c\u7684\u4e3b\u8981\u7279\u9ede\u8207\u6027\u80fd<\/h2>\n<p>\u7576\u60a8\u7684\u5c08\u6848\u9700\u8981\u4e00\u7a2e\u5728\u58d3\u529b\u4e0b\u4e0d\u6703\u5931\u6548\u7684\u6750\u6599\u6642\uff0c,\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u662f\u884c\u696d\u6a19\u6e96\u3002\u9019\u7a2e\u93b3\u927b\u926c\u92fc\u5c08\u70ba\u9ad8\u61c9\u529b\u74b0\u5883\u8a2d\u8a08\uff0c\u666e\u901a\u5408\u91d1\u96e3\u4ee5\u52dd\u4efb\u3002\u6211\u5011\u5c07\u6b64\u7b49\u7d1a\u4f9b\u61c9\u7d66\u9700\u8981\u5b8c\u7f8e\u5e73\u8861\u5ef6\u5c55\u6027\u3001\u97cc\u6027\u8207\u6975\u7aef\u5f37\u5ea6\u7684\u7522\u696d\u3002.<\/p>\n<h3>\u5728\u539a\u91cd\u622a\u9762\u4e2d\u7684\u5353\u8d8a\u6027\u80fd<\/h3>\n<p>\u5de5\u7a0b\u5e2b\u9078\u64c7\u00a0<strong>AISI 4340 \u92fc<\/strong>\u00a0\u800c\u975e\u5176\u4ed6\u7b49\u7d1a\u7684\u6700\u5927\u539f\u56e0\u4e4b\u4e00\u662f\u5176\u6df1\u5c64\u6dec\u786c\u6027\u3002\u8a31\u591a\u92fc\u6750\u5728\u622a\u9762\u5c3a\u5bf8\u589e\u52a0\u6642\u6703\u5931\u53bb\u5176\u6027\u80fd\uff0c\u800c4340\u537b\u80fd\u5728\u6574\u500b\u622a\u9762\u4fdd\u6301\u9ad8\u5f37\u5ea6\u3002.<\/p>\n<ul>\n<li><strong>\u786c\u5ea6\u5747\u52fb\uff1a<\/strong>\u00a0\u82074140\u4e0d\u540c\uff0c4140\u53ef\u80fd\u50c5\u5728\u5927\u76f4\u5f91\u7684\u8868\u9762\u786c\u5316\uff0c\u800c4340\u5247\u78ba\u4fdd\u5728\u5927\u578b\u935b\u9020\u584a\u6216\u5927\u578b\u5713\u68d2\u4e2d\u4e5f\u5177\u6709\u4e00\u81f4\u7684\u6a5f\u68b0\u6027\u80fd\u3002.<\/li>\n<li><strong>\u66f4\u4f73\u7684\u6dec\u900f\u6027\uff1a<\/strong>\u00a0\u7279\u6b8a\u6dfb\u52a0\u93b3\u4f7f\u5f97\u71b1\u8655\u7406\u7684\u6ef2\u900f\u6df1\u5ea6\u9060\u8d85\u6a19\u6e96\u927b\u926c\u92fc\u3002.<\/li>\n<li><strong>\u53ef\u9760\u7684\u6027\u80fd\uff1a<\/strong>\u00a0\u4e86\u89e3\u00a0<a href=\"https:\/\/haoyumaterial.com\/zh\/4140-stainless-steel-guide-properties-uses-and-key-differences\/\">4340\u82074140\u4e4b\u9593\u7684<\/a>\u00a0\u4e3b\u8981\u5dee\u7570.<\/li>\n<\/ul>\n<h3>\u5c0d\u65bc\u9078\u64c7\u9069\u5408\u91cd\u578b\u7d50\u69cb\u96f6\u4ef6\u7684\u91d1\u5c6c\u81f3\u95dc\u91cd\u8981\u3002<\/h3>\n<p>\u6211\u5011\u63d0\u4f9b\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u6297\u885d\u64ca\u6027\u8207\u8010\u78e8\u6027\u80fd.<\/p>\n<ul>\n<li><strong>\u80fd\u61c9\u5c0d\u6700\u56b4\u82db\u7684\u904b\u884c\u689d\u4ef6\u3002\u5b83\u4e0d\u50c5\u6297\u65b7\u88c2\uff0c\u9084\u80fd\u62b5\u6297\u6578\u5343\u6b21\u5faa\u74b0\u7684\u78e8\u640d\u3002<\/strong>\u00a0\u9ad8\u75b2\u52de\u5f37\u5ea6\uff1a\u00a0<strong>\u9019\u662f\u9996\u9078\u7684<\/strong>\u00a0\u9ad8\u5f37\u5ea6\u5408\u91d1\u92fc.<\/li>\n<li><strong>\uff0c\u9069\u7528\u65bc\u6301\u7e8c\u632f\u52d5\u6216\u5faa\u74b0\u8f09\u8377\u7684\u96f6\u4ef6\uff0c\u5982\u66f2\u8ef8\u548c\u50b3\u52d5\u9f52\u8f2a\u3002<\/strong>\u00a0\u4f4e\u6eab\u97cc\u6027\uff1a.<\/li>\n<li><strong>4340\u5728\u96f6\u4e0b\u74b0\u5883\u4e2d\u4ecd\u7136\u53ef\u9760\uff0c\u907f\u514d\u8106\u6027\u65b7\u88c2\uff0c\u6210\u70ba\u822a\u7a7a\u822a\u5929\u548c\u6cb9\u7530\u8a2d\u5099\u7684\u71b1\u9580\u9078\u64c7\u3002<\/strong>\u00a0\u5353\u8d8a\u7684\u8010\u78e8\u6027\uff1a\u00a0<strong>\u93b3\u927b\u926c\u92fc<\/strong>\u00a0\u7d93\u904e\u9069\u7576\u6dec\u706b\u548c\u56de\u706b\u5f8c\uff0c\u9019\u7a2e.<\/li>\n<\/ul>\n<h2>\u8868\u9762\u80fd\u8f15\u9b06\u61c9\u5c0d\u78e8\u6599\u529b\u91cf\uff0c\u986f\u8457\u5ef6\u9577\u6a5f\u68b0\u7684\u4f7f\u7528\u58fd\u547d\u3002<\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-1280\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x231.png\" alt=\"\" width=\"430\" height=\"331\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x231.png 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-768x592.png 768w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-16x12.png 16w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-600x462.png 600w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal.png 832w\" sizes=\"(max-width: 430px) 100vw, 430px\" \/><\/p>\n<p>\u5728\u63a1\u8cfc\u6642\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u5c0d\u65bc\u5168\u7403\u5c08\u6848\uff0c\u7406\u89e3\u4ea4\u53c9\u53c3\u8003\u6a19\u6e96\u5c0d\u65bc\u7dad\u8b77\u5de5\u7a0b\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u96d6\u7136 AISI 4340 \u5728\u53f0\u7063\u662f\u4e3b\u8981\u7684\u6a19\u6e96\uff0c\u4f46\u9019\u7a2e\u9ad8\u5f37\u5ea6 Ni-Cr-Mo \u5408\u91d1\u5728\u5404\u7a2e\u570b\u969b\u7cfb\u7d71\u4e2d\u5747\u6709\u8a8d\u53ef\u3002\u4f5c\u70ba\u9ad8\u5f37\u5ea6\u5408\u91d1\u92fc\u7684\u5c08\u696d\u4f9b\u61c9\u5546\uff0c\u00a0<a href=\"https:\/\/haoyumaterial.com\/zh\/products\/stainless-steel\/alloy-steel\/\">\u9ad8\u5f37\u5ea6\u5408\u91d1\u92fc<\/a>, \uff0c\u6211\u5011\u78ba\u4fdd\u6211\u5011\u7684\u6750\u6599\u7b26\u5408\u6216\u8d85\u8d8a\u9019\u4e9b\u5168\u7403\u57fa\u6e96\u3002.<\/p>\n<h3>\u5168\u7403\u7b49\u6548\u7b49\u7d1a<\/h3>\n<p>\u4e0b\u8868\u63d0\u4f9b\u5feb\u901f\u53c3\u8003\u4ee5\u5339\u914d\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u8207\u570b\u969b\u5c0d\u61c9\u6a19\u6e96\uff1a<\/p>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\u6a19\u6e96<\/th>\n<th>\u7b49\u6548\u7b49\u7d1a<\/th>\n<th>\u5730\u5340\/\u7cfb\u7d71<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>AISI\/SAE<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04340<\/strong><\/td>\n<td>\u53f0\u7063<\/td>\n<\/tr>\n<tr>\n<td><strong>DIN \/ EN<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01.6511 \/ 34CrNiMo6<\/strong><\/td>\n<td>\u53f0\u7063\/\u6b50\u6d32<\/td>\n<\/tr>\n<tr>\n<td><strong>BS<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 EN24 \/ 817M40<\/strong><\/td>\n<td>\u82f1\u570b<\/td>\n<\/tr>\n<tr>\n<td><strong>JIS<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 SNCM439<\/strong><\/td>\n<td>\u65e5\u672c<\/td>\n<\/tr>\n<tr>\n<td><strong>GB<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a040CrNiMoA<\/strong><\/td>\n<td>\u53f0\u7063<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u7b26\u5408\u6027\u8207\u54c1\u8cea\u898f\u7bc4<\/h3>\n<p>\u6211\u5011\u7684\u5eab\u5b58\u5305\u62ec\u00a0<strong>4340 \u6750\u6599<\/strong>\u00a0\u56b4\u683c\u9075\u5faa\u884c\u696d\u9818\u5148\u898f\u7bc4\u88fd\u9020\uff0c\u78ba\u4fdd\u5728\u9ad8\u61c9\u529b\u74b0\u5883\u4e2d\u7684\u53ef\u9760\u6027\uff1a<\/p>\n<ul>\n<li><strong>ASTM A29\uff1a<\/strong>\u00a0\u4e00\u822c\u78b3\u92fc\u53ca\u5408\u91d1\u92fc\u68d2\u7684\u6a19\u6e96\u898f\u7bc4\u3002.<\/li>\n<li><strong>AMS 6414 \/ AMS 6415:<\/strong>\u00a0\u5c0d\u65bc\u822a\u7a7a\u822a\u592a\u61c9\u7528\u81f3\u95dc\u91cd\u8981\uff0c\u901a\u5e38\u88ab\u7a31\u70ba\u00a0<strong>\u822a\u7a7a\u7d1a 4340<\/strong>.<\/li>\n<li><strong>MIL-S-5000:<\/strong>\u00a0\u8ecd\u7528\u7d1a\u8981\u6c42\uff0c\u9069\u7528\u65bc\u9ad8\u6027\u80fd\u7d50\u69cb\u7d44\u4ef6\u3002.<\/li>\n<li><strong>DIN EN 10083-3:<\/strong>\u00a0\u6b50\u6d32\u6a19\u6e96\uff0c\u7528\u65bc\u6dec\u706b\u548c\u56de\u706b\u92fc\u3002.<\/li>\n<\/ul>\n<p>\u6211\u5011\u96a8\u6bcf\u7b46\u8a02\u55ae\u63d0\u4f9b\u5b8c\u6574\u7684\u6750\u6599\u6e2c\u8a66\u8b49\u660e\u66f8 (MTC)\uff0c\u4ee5\u9a57\u8b49\u5316\u5b78\u6210\u5206\u548c\u6a5f\u68b0\u6027\u80fd\u5b8c\u5168\u7b26\u5408\u9019\u4e9b\u570b\u969b\u6a19\u6e96\u3002\u7121\u8ad6\u60a8\u7684\u5c08\u6848\u9700\u8981\u00a0<strong>EN24 \u92fc<\/strong>\u00a0or\u00a0<strong>1.6511 \u92fc<\/strong>, \u6211\u5011\u7684\u5eab\u5b58\u5747\u53ef\u63d0\u4f9b\u7121\u7e2b\u66ff\u4ee3\u54c1\uff0c\u6eff\u8db3\u60a8\u672c\u5730\u6216\u570b\u969b\u898f\u683c\u7684\u56b4\u683c\u8981\u6c42\u3002.<\/p>\n<h2>4340 \u5316\u5b78\u6210\u5206\u7d30\u5206<\/h2>\n<p>&nbsp;<\/p>\n<p>\u6211\u5011\u4f9b\u61c9\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u5177\u6709\u7cbe\u78ba\u7684\u5316\u5b78\u5e73\u8861\uff0c\u4f7f\u5176\u8207\u6a19\u6e96\u78b3\u92fc\u5340\u5206\u958b\u4f86\u3002\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u5f37\u5ea6\u00a0<strong>\u93b3\u927b\u926c\u92fc<\/strong>, \u92fc\uff0c\u5176\u6027\u80fd\u53d6\u6c7a\u65bc\u9019\u4e9b\u5408\u91d1\u5143\u7d20\u7684\u7279\u5b9a\u6bd4\u4f8b\u3002\u9019\u7a2e\u7368\u7279\u7684\u7d44\u5408\u78ba\u4fdd\u6750\u6599\u5728\u6975\u7aef\u61c9\u529b\u8207\u6eab\u5ea6\u6ce2\u52d5\u4e0b\u4fdd\u6301\u5176\u5b8c\u6574\u6027\u3002.<\/p>\n<h3>\u93b3\u3001\u927b\u548c\u926c\u7684\u4f5c\u7528<\/h3>\n<p>\u5728\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u57fa\u9ad4\u4e2d\u7684\u6bcf\u7a2e\u5143\u7d20\u90fd\u5177\u6709\u7279\u5b9a\u7684\u7d50\u69cb\u7528\u9014\uff1a<\/p>\n<ul>\n<li><strong>\u93b3 (1.65% \u2013 2.00%):<\/strong>\u00a0\u9019\u662f\u8a72\u6750\u6599\u512a\u7570\u97cc\u6027\u7684\u95dc\u9375\u3002\u5b83\u63d0\u9ad8\u4e86\u6297\u885d\u64ca\u6027\uff0c\u5c24\u5176\u662f\u5728\u4f4e\u6eab\u74b0\u5883\u4e2d\uff0c\u4f7f\u5176\u6bd4 4140 \u66f4\u53ef\u9760\u3002\u5c0d\u65bc\u7279\u6b8a\u9700\u6c42\uff0c\u6211\u5011\u4e5f\u63d0\u4f9b\u9ad8\u6027\u80fd\u00a0<a href=\"https:\/\/haoyumaterial.com\/zh\/product\/high-temperature-nickel-alloy-springs-machining-service\/\">\u93b3\u5408\u91d1\u52a0\u5de5\u670d\u52d9<\/a>\u00a0\u4ee5\u61c9\u5c0d\u6975\u7aef\u5de5\u696d\u9700\u6c42\u3002.<\/li>\n<li><strong>\u927b\uff080.70% \u2013 0.90%\uff09\uff1a<\/strong>\u00a0\u63d0\u5347\u6dec\u786c\u6df1\u5ea6\u4e26\u63d0\u4f9b\u8010\u78e8\u8207\u8010\u8150\u8755\u7684\u57fa\u6e96\u3002.<\/li>\n<li><strong>\u926c\uff080.20% \u2013 0.30%\uff09\uff1a<\/strong>\u00a0\u9632\u6b62\u56de\u706b\u5f8c\u8106\u5316\uff0c\u78ba\u4fdd\u92fc\u6750\u5728\u8f03\u9ad8\u904b\u4f5c\u6eab\u5ea6\u4e0b\u4ecd\u80fd\u4fdd\u6301\u5176\u5f37\u5ea6\u3002.<\/li>\n<\/ul>\n<h3>UNS G43400 \u7684\u6a19\u6e96\u5316\u5b78\u6210\u5206\u7bc4\u570d<\/h3>\n<p>\u70ba\u78ba\u4fdd\u6211\u5011\u7684\u5ba2\u6236\u7372\u5f97\u4e00\u81f4\u4e14\u9ad8\u54c1\u8cea\u7684\u7522\u54c1\uff0c\u00a0<strong>4340 \u6750\u6599<\/strong>, \u6211\u5011\u56b4\u683c\u9075\u5b88\u00a0<strong>UNS G43400<\/strong>\u00a0\u4ee5\u53ca ASTM \u6a19\u6e96\u3002\u5178\u578b\u7684\u5316\u5b78\u6210\u5206\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u78b3 (C)\uff1a<\/strong>\u00a00.38% \u2013 0.43%<\/li>\n<li><strong>\u9333 (Mn)\uff1a<\/strong>\u00a00.60% \u2013 0.80%<\/li>\n<li><strong>\u77fd (Si)\uff1a<\/strong>\u00a00.15% \u2013 0.35%<\/li>\n<li><strong>\u78f7 (P)\uff1a<\/strong>\u00a0\u2264 0.035%<\/li>\n<li><strong>\u786b (S):<\/strong>\u00a0\u2264 0.040%<\/li>\n<\/ul>\n<p>\u901a\u904e\u7dad\u6301\u9019\u4e9b\u56b4\u683c\u7684\u516c\u5dee\uff0c\u6211\u5011\u4fdd\u8b49\u6bcf\u4e00\u6279\u6b21\u7684\u00a0<strong>AISI 4340 \u92fc<\/strong>\u00a0\u51fa\u53e3\u7522\u54c1\u7b26\u5408\u822a\u7a7a\u822a\u5929\u8207\u570b\u9632\u7522\u696d\u7684\u56b4\u683c\u5b89\u5168\u8207\u6027\u80fd\u8981\u6c42\u3002.<\/p>\n<h2>4340 \u6a5f\u68b0\u6027\u80fd\u8207\u6027\u80fd<\/h2>\n<p>\u9019\u500b\u00a0<strong>4340 \u6a5f\u68b0\u6027\u80fd<\/strong>\u00a0\u4f7f\u9019\u500b\u7b49\u7d1a\u5728\u91cd\u578b\u5de5\u7a0b\u548c\u9ad8\u61c9\u529b\u88fd\u9020\u4e2d\u6210\u70ba\u4e3b\u529b\u3002\u6211\u5011\u4f9b\u61c9\u00a0<strong>4340\u92fc<\/strong>\u00a0\u5b83\u63d0\u4f9b\u4e86\u9ad8\u5f37\u5ea6\u3001\u5ef6\u5c55\u6027\u548c\u97cc\u6027\u7f55\u898b\u7684\u7d50\u5408\u3002\u7531\u65bc\u5b83\u662f\u9ad8\u7d1a\u00a0<strong>\u93b3\u927b\u926c\u92fc<\/strong>, \uff0c\u56e0\u6b64\u5728\u5927\u622a\u9762\u4e2d\u5be6\u73fe\u4e86\u6a19\u6e96\u5408\u91d1\u7121\u6cd5\u5339\u6575\u7684\u6df1\u786c\u5ea6\u3002.<\/p>\n<h3>\u5f37\u5ea6\u8207\u786c\u5ea6\u7b49\u7d1a<\/h3>\n<p>\u7576\u60a8\u4e0b\u8a02\u55ae\u6642\u00a0<strong>4340 \u6750\u6599<\/strong>, \uff0c\u6a5f\u68b0\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u6c7a\u65bc\u71b1\u8655\u7406\u72c0\u614b\u3002\u5728\u00a0<strong>\u6dec\u706b\u56de\u706b\u76844340<\/strong>\u00a0\u72c0\u614b\u4e0b\uff0c\u6211\u5011\u7684\u5eab\u5b58\u63d0\u4f9b\uff1a<\/p>\n<ul>\n<li><strong>\u5353\u8d8a\u7684\u62c9\u4f38\u5f37\u5ea6\uff1a<\/strong>\u00a0\u5c0d\u62c9\u4f38\u5177\u6709\u5de8\u5927\u62b5\u6297\u529b\uff0c\u78ba\u4fdd\u96f6\u4ef6\u5728\u6975\u7aef\u8ca0\u8f09\u4e0b\u4e0d\u6703\u65b7\u88c2\u3002.<\/li>\n<li><strong>\u9ad8\u5c48\u670d\u5f37\u5ea6\uff1a<\/strong>\u00a0\u5c0d\u6c38\u4e45\u8b8a\u5f62\u5177\u6709\u5353\u8d8a\u7684\u97cc\u6027\uff0c\u4fdd\u6301\u60a8\u7684\u96f6\u4ef6\u5728\u904b\u884c\u671f\u9593\u7684\u56b4\u683c\u516c\u5dee\u5167\u3002.<\/li>\n<li><strong>\u786c\u5ea6\u5747\u52fb\uff1a<\/strong>\u00a0\u512a\u79c0\u7684\u6dec\u900f\u6027\u78ba\u4fdd\u786c\u5ea6\u5206\u4f48\u5f9e\u8868\u9762\u5230\u6838\u5fc3\u4fdd\u6301\u4e00\u81f4\uff0c\u5373\u4f7f\u5728\u91cd\u8ca0\u8377\u584a\u4e2d\u4e5f\u662f\u5982\u6b64\u3002.<\/li>\n<\/ul>\n<h3>\u885d\u64ca\u97cc\u6027\u8207\u75b2\u52de\u6297\u6027<\/h3>\n<p>\u771f\u6b63\u7684\u50f9\u503c\u5728\u65bc\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u80fd\u5920\u61c9\u5c0d\u885d\u64ca\u548c\u632f\u52d5\u3002\u9019\u00a0<strong>\u9019\u662f\u9996\u9078\u7684<\/strong>\u00a0\u5728\u62b5\u6297\u8106\u6027\u7834\u58de\u65b9\u9762\u8868\u73fe\u51fa\u8272\uff0c\u5373\u4f7f\u5728\u4f4e\u6eab\u74b0\u5883\u4e0b\u4e5f\u80fd\u4fdd\u6301\u5b8c\u6574\u6027\u3002.<\/p>\n<ul>\n<li><strong>\u75b2\u52de\u6297\u6027\uff1a<\/strong>\u00a0\u7d93\u904e\u8a2d\u8a08\u4ee5\u627f\u53d7\u6578\u767e\u842c\u6b21\u61c9\u529b\u5faa\u74b0\uff0c\u4f7f\u5176\u6210\u70ba\u65cb\u8f49\u8ef8\u548c\u9f52\u8f2a\u7684\u9996\u9078\u3002.<\/li>\n<li><strong>\u885d\u64ca\u97cc\u6027\uff1a<\/strong>\u00a0\u9ad8Charpy V\u578b\u7f3a\u53e3\u503c\u78ba\u4fdd\u6750\u6599\u80fd\u6709\u6548\u5438\u6536\u80fd\u91cf\uff0c\u800c\u4e0d\u662f\u5728\u7a81\u767c\u885d\u64ca\u4e0b\u7834\u88c2\u3002.<\/li>\n<li><strong>\u53ef\u9760\u6027\uff1a<\/strong>\u00a0\u93b3\u548c\u927b\u7684\u5e73\u8861\u5316\u5b78\u6210\u5206\u5728\u56b4\u82db\u7684\u61c9\u7528\u4e2d\u63d0\u4f9b\u4e86\u5b89\u5168\u88d5\u5ea6\uff0c\u9019\u4e9b\u61c9\u7528\u4e2d\u6750\u6599\u5931\u6548\u662f\u4e0d\u53ef\u63a5\u53d7\u7684\u3002.<\/li>\n<\/ul>\n<h2>4340\u91d1\u5c6c\u53ef\u7528\u5c3a\u5bf8\u548c\u7522\u54c1\u5f62\u5f0f<\/h2>\n<p>\u6211\u5011\u5099\u6709\u5927\u91cf\u5eab\u5b58\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u4ee5\u591a\u7a2e\u5f62\u5f0f\u63d0\u4f9b\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u751f\u7522\u7dda\u9806\u66a2\u904b\u884c\u3002\u7121\u8ad6\u60a8\u9700\u8981\u539f\u6750\u6599\u9084\u662f\u534a\u6210\u54c1\uff0c\u6211\u5011\u90fd\u63d0\u4f9b\u4ee5\u4e0b\u5eab\u5b58\u9078\u9805\uff1a<\/p>\n<ul>\n<li><strong>4340\u5713\u68d2\uff1a<\/strong>\u00a0\u6211\u5011\u4f9b\u61c9\u7684\u76f4\u5f91\u7bc4\u570d\u5f9e\u5c0f\u578b\u7cbe\u5bc6\u68d2\u6750\u5230\u7528\u65bc\u91cd\u578b\u8ef8\u627f\u7684\u5927\u76f4\u5f91\u68d2\u6750\u3002.<\/li>\n<li><strong>4340\u677f\u6750\u548c\u6241\u92fc\uff1a<\/strong>\u00a0\u63d0\u4f9b\u591a\u7a2e\u539a\u5ea6\u548c\u5bec\u5ea6\uff0c\u9069\u7528\u65bc\u9ad8\u5f37\u5ea6\u7d50\u69cb\u52a0\u5de5\u3002.<\/li>\n<li><strong>\u935b\u9020\u584a\uff1a<\/strong>\u00a0\u5c0d\u65bc\u9700\u8981\u512a\u7570\u6676\u7c92\u7d50\u69cb\u548c\u5b8c\u6574\u6027\u7684\u61c9\u7528\uff0c\u6211\u5011\u63d0\u4f9b\u6839\u64da\u60a8\u7684\u898f\u683c\u5b9a\u5236\u7684\u935b\u9020\u584a\u3002.<\/li>\n<li><strong>\u5b9a\u5236\u5eab\u5b58\uff1a<\/strong>\u00a0\u6211\u5011\u63d0\u4f9b\u7cbe\u5bc6\u92f8\u5207\u7684\u300c\u5c3a\u5bf8\u5207\u5272\u300d\u670d\u52d9\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u5df2\u6e96\u5099\u597d\u9032\u5165\u4e0b\u4e00\u751f\u7522\u968e\u6bb5\u3002.<\/li>\n<\/ul>\n<p>\u6211\u5011\u7684\u52a0\u5de5\u80fd\u529b\u5305\u62ec\u7cbe\u5bc6\u9291\u524a\u548c\u78e8\u524a\uff0c\u4ee5\u6eff\u8db3\u56b4\u683c\u7684\u516c\u5dee\u8981\u6c42\uff0c\u5f9e\u800c\u6e1b\u5c11\u60a8\u7684\u4e8c\u6b21\u52a0\u5de5\u6642\u9593\u3002\u6211\u5011\u81f4\u529b\u65bc\u63d0\u4f9b\u9748\u6d3b\u7684\u5c3a\u5bf8\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u6e1b\u5c11\u6750\u6599\u6d6a\u8cbb\u4e26\u512a\u5316\u60a8\u7684\u9805\u76ee\u6210\u672c\u3002\u6211\u5011\u51fa\u8ca8\u7684\u6bcf\u4e00\u584a\u00a0<strong>\u93b3\u927b\u926c\u92fc<\/strong>\u00a0\u90fd\u7d93\u904e\u56b4\u683c\u7684\u8cea\u91cf\u63a7\u5236\uff0c\u4ee5\u78ba\u4fdd\u5c3a\u5bf8\u7cbe\u5ea6\u3002.<\/p>\n<h2>4340\u71b1\u8655\u7406\u6307\u5357<\/h2>\n<p>\u70ba\u4e86\u5145\u5206\u767c\u63ee\u00a0<strong>4340 \u91d1\u5c6c<\/strong>, \u7684\u6f5b\u529b\uff0c\u7cbe\u78ba\u7684\u71b1\u8655\u7406\u81f3\u95dc\u91cd\u8981\u3002\u6211\u5011\u5c0d\u9019\u7a2e\u00a0<strong>\u9019\u662f\u9996\u9078\u7684<\/strong>\u00a0\u4f7f\u7528\u7279\u5b9a\u5faa\u74b0\u4f86\u78ba\u4fdd\u5176\u7b26\u5408\u91cd\u578b\u5de5\u696d\u61c9\u7528\u7684\u56b4\u683c\u8981\u6c42\u3002\u7121\u8ad6\u60a8\u662f\u8ffd\u6c42\u66f4\u597d\u7684\u52a0\u5de5\u6027\u9084\u662f\u6700\u5927\u885d\u64ca\u6297\u6027\uff0c\u4ee5\u4e0b\u71b1\u8655\u7406\u6b65\u9a5f\u90fd\u662f\u6b64\u7b49\u7d1a\u7684\u884c\u696d\u6a19\u6e96\u3002.<\/p>\n<h3>\u6b63\u706b\u8207\u9000\u706b<\/h3>\n<p>\u5728\u6700\u7d42\u6dec\u706b\u4e4b\u524d\uff0c\u6211\u5011\u5e38\u7528\u6b63\u706b\u4f86\u7d30\u5316\u6676\u7c92\u7d50\u69cb\u4e26\u6539\u5584\u5747\u52fb\u6027\u3002.<\/p>\n<ul>\n<li><strong>\u6b63\u706b\uff1a<\/strong>\u00a0\u5c07\u6750\u6599\u52a0\u71b1\u81f31500\u00b0F \u2013 1600\u00b0F\uff08815\u00b0C \u2013 870\u00b0C\uff09\uff0c\u7136\u5f8c\u7a7a\u6c23\u51b7\u537b\u3002.<\/li>\n<li><strong>\u9000\u706b\uff1a<\/strong>\u00a0\u5c0d\u65bc\u9700\u8981\u5927\u91cf\u52a0\u5de5\u6216\u9291\u524a\u7684\u96f6\u4ef6\uff0c\u00a0<a href=\"https:\/\/haoyumaterial.com\/zh\/cnc-turning-guide-2026-process-materials-and-service-selection\/\">CNC \u8eca\u524a<\/a>\u00a0\u6211\u5011\u57281525\u00b0F\uff08830\u00b0C\uff09\u9032\u884c\u5b8c\u5168\u9000\u706b\uff0c\u7136\u5f8c\u7de9\u6162\u7210\u51b7\u3002\u9019\u6a23\u53ef\u4ee5\u4f7f\u91d1\u5c6c\u8655\u65bc\u6700\u67d4\u8edf\u7684\u72c0\u614b\uff0c\u4fbf\u65bc\u5f8c\u7e8c\u7684\u52a0\u5de5\u3002.<\/li>\n<\/ul>\n<h3>\u6dec\u706b\u8207\u56de\u706b\uff08QT\uff09\u5de5\u85dd<\/h3>\n<p>\u6211\u5011\u7684\u5927\u591a\u6578\u5ba2\u6236\u9700\u8981\u00a0<strong>\u6dec\u706b\u56de\u706b\u76844340<\/strong>\u00a0\uff0c\u56e0\u70ba\u5b83\u63d0\u4f9b\u4e86\u6700\u4f73\u7684\u5f37\u5ea6\u8207\u5ef6\u5c55\u6027\u5e73\u8861\u3002\u4f5c\u70ba\u00a0<strong>\u93b3\u927b\u926c\u92fc<\/strong>, \uff0c\u5b83\u5177\u6709\u512a\u79c0\u7684\u6df1\u786c\u5316\u6027\u80fd\uff0c\u610f\u5473\u8457\u5373\u4f7f\u5728\u8f03\u5927\u7684\u622a\u9762\u4e2d\uff0c\u6a5f\u68b0\u6027\u80fd\u4e5f\u80fd\u4fdd\u6301\u4e00\u81f4\u3002.<\/p>\n<ul>\n<li><strong>\u5967\u6c0f\u9ad4\u5316\uff1a<\/strong>\u00a0\u6211\u5011\u5c07\u92fc\u52a0\u71b1\u81f31500\u00b0F \u2013 1550\u00b0F\uff08815\u00b0C \u2013 845\u00b0C\uff09\u3002.<\/li>\n<li><strong>\u6dec\u706b\uff1a<\/strong>\u00a0\u6cb9\u6dec\u662f\u5fc5\u8981\u7684\uff0c\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u4ee5\u9632\u6b62\u88c2\u7d0b\uff0c\u540c\u6642\u78ba\u4fdd\u6750\u6599\u9054\u5230\u6700\u5927\u6f5b\u5728\u786c\u5ea6\u3002.<\/li>\n<li><strong>\u56de\u706b\uff1a<\/strong>\u00a0\u6dec\u706b\u5f8c\uff0c\u6211\u5011\u5c07\u92fc\u5728400\u00b0F\u81f31200\u00b0F\u4e4b\u9593\u56de\u706b\u3002\u8f03\u4f4e\u7684\u6eab\u5ea6\u4fdd\u6301\u9ad8\u786c\u5ea6\u548c\u62c9\u4f38\u5f37\u5ea6\uff0c\u800c\u8f03\u9ad8\u7684\u56de\u706b\u6eab\u5ea6\u5247\u589e\u52a0\u97cc\u6027\uff0c\u9069\u7528\u65bc\u627f\u53d7\u91cd\u64ca\u8377\u8f09\u7684\u96f6\u4ef6\u3002.<\/li>\n<\/ul>\n<p>\u901a\u904e\u63a7\u5236\u9019\u4e9b\u8b8a\u6578\uff0c\u6211\u5011\u63d0\u4f9b\u7684\u6750\u6599\u80fd\u5b8c\u7f8e\u7b26\u5408\u60a8\u7684\u5de5\u7a0b\u9700\u6c42\uff0c\u78ba\u4fdd\u6bcf\u500b\u584a\u6216\u68d2\u5728\u58d3\u529b\u4e0b\u90fd\u80fd\u53ef\u9760\u904b\u4f5c\u3002.<\/p>\n<h2>4340\u5408\u91d1\u91d1\u5c6c\u7684\u52a0\u5de5\u8207\u710a\u63a5\u6280\u5de7<\/h2>\n<p>\u7531\u65bc4340\u5408\u91d1\u92fc\u7684\u9ad8\u5408\u91d1\u542b\u91cf\uff0c\u8655\u7406\u6642\u9700\u8981\u63a1\u7528\u7279\u5b9a\u7684\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u8eca\u524a\u3001\u9291\u524a\u9084\u662f\u9023\u63a5\u96f6\u4ef6\uff0c\u9075\u5faa\u9019\u4e9b\u8eca\u9593\u6280\u5de7\u90fd\u80fd\u78ba\u4fdd\u6700\u7d42\u96f6\u4ef6\u7684\u5b8c\u6574\u6027\uff0c\u4e26\u9632\u6b62\u5de5\u5177\u7834\u88c2\u6216\u6750\u6599\u5931\u6548\u3002.<\/p>\n<h3>\u5be6\u73fe\u6700\u4f73\u52a0\u5de5\u6027<\/h3>\n<p>\u5728\u9000\u706b\u72c0\u614b\u4e0b\uff0c,\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u7684\u52a0\u5de5\u6027\u7d04\u70ba57%\uff0c\u8f031212\u78b3\u92fc\u70ba\u9ad8\u3002\u7136\u800c\uff0c\u5927\u591a\u6578\u5de5\u696d\u9805\u76ee\u9700\u8981\u71b1\u8655\u7406\u72c0\u614b\uff0c\u9019\u6703\u4f7f\u5176\u5c0d\u5207\u524a\u5de5\u5177\u7684\u8010\u4e45\u6027\u5927\u5927\u589e\u52a0\u3002.<\/p>\n<ul>\n<li><strong>\u5200\u5177\uff1a<\/strong>\u00a0\u5728\u9ad8\u901f\u64cd\u4f5c\u4e2d\uff0c\u59cb\u7d42\u4f7f\u7528\u786c\u8cea\u5408\u91d1\u5200\u7247\uff0c\u4ee5\u61c9\u5c0d\u9019\u7a2e\u93b3\u927b\u926c\u92fc\u7684\u97cc\u6027\u3002.<\/li>\n<li><strong>\u51b7\u537b\u6db2\uff1a<\/strong>\u00a0\u5efa\u8b70\u4f7f\u7528\u91cd\u786b\u5316\u6cb9\u6216\u6c2f\u5316\u53ef\u6eb6\u6027\u6cb9\u4f86\u63a7\u5236\u71b1\u5ea6\u4e26\u6539\u5584\u8868\u9762\u8655\u7406\u3002.<\/li>\n<li><strong>\u525b\u6027\uff1a<\/strong>\u00a0\u4fdd\u6301\u9ad8\u8a2d\u7f6e\u525b\u6027\u3002\u7531\u65bc4340\u5bb9\u6613\u5de5\u4f5c\u786c\u5316\uff0c\u4efb\u4f55\u632f\u52d5\u6216\u632f\u8569\u90fd\u6703\u8fc5\u901f\u4f7f\u947d\u982d\u8b8a\u920d\u4e26\u7834\u58de\u516c\u5dee\u3002.<\/li>\n<\/ul>\n<h3>\u710a\u63a5\u7a0b\u5e8f\u8207\u88c2\u7d0b\u9810\u9632<\/h3>\n<p>\u710a\u63a5\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u662f\u53ef\u80fd\u7684\uff0c\u4f46\u4e0d\u50cf\u710a\u63a5\u666e\u901a\u92fc\u90a3\u6a23\u7c21\u55ae\u3002\u7531\u65bc\u5176\u6df1\u786c\u5316\u7279\u6027\uff0c\u5982\u679c\u672a\u9075\u5faa\u9069\u7576\u7684\u71b1\u5faa\u74b0\uff0c\u5247\u6975\u6613\u53d7\u5230\u6c2b\u8106\u88c2\u7d0b\u7684\u5f71\u97ff\u3002.<\/p>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\u5de5\u85dd\u968e\u6bb5<\/th>\n<th>\u6240\u9700\u884c\u52d5<\/th>\n<th>\u5efa\u8b70\u6eab\u5ea6\/\u5099\u8a3b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u9810\u71b1<\/strong><\/td>\n<td>\u95dc\u9375\u6b65\u9a5f<\/td>\n<td>\u6839\u64da\u622a\u9762\u539a\u5ea6\uff0c\u70ba400\u00b0F\u81f3600\u00b0F\uff08200\u00b0C \u2013 315\u00b0C\uff09\u3002.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9593\u6b47<\/strong><\/td>\n<td>\u4fdd\u6301\u52a0\u71b1<\/td>\n<td>\u5728\u6574\u500b\u710a\u63a5\u904e\u7a0b\u4e2d\uff0c\u4fdd\u6301\u6750\u6599\u5728\u9810\u71b1\u7bc4\u570d\u5167\u3002.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5f8c\u71b1<\/strong><\/td>\n<td>\u61c9\u529b\u91cb\u653e<\/td>\n<td>\u5728\u70e4\u7bb1\u6216\u6c99\u4e2d\u7de9\u6162\u51b7\u537b\u662f\u5fc5\u9808\u7684\uff1b\u4e4b\u5f8c\u9032\u884c\u61c9\u529b\u91cb\u653e\u9000\u706b\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5982\u679c\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u5df2\u8655\u65bc\u6dec\u706b\u548c\u56de\u706b\u72c0\u614b\uff0c\u710a\u63a5\u6703\u5728\u710a\u7e2b\u5468\u570d\u5f62\u6210\u8edf\u5340\u3002\u70ba\u4e86\u6062\u5fa9\u6750\u6599\u7684\u9ad8\u5f37\u5ea6\u6027\u80fd\uff0c\u710a\u63a5\u5b8c\u6210\u5f8c\u5fc5\u9808\u5c0d\u6574\u500b\u96f6\u4ef6\u9032\u884c\u518d\u71b1\u8655\u7406\u3002\u59cb\u7d42\u4f7f\u7528\u4f4e\u6c2b\u96fb\u6975\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u964d\u4f4e\u8106\u88c2\u7684\u98a8\u96aa\u3002.<\/p>\n<h2>\u5e38\u898b\u76844340\u91d1\u5c6c\u61c9\u7528\u65bc\u9ad8\u61c9\u529b\u884c\u696d<\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-1281\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x300.jpg\" alt=\"\" width=\"342\" height=\"342\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x300.jpg 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-150x150.jpg 150w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-768x768.jpg 768w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-12x12.jpg 12w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-600x600.jpg 600w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-100x100.jpg 100w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal.jpg 900w\" sizes=\"(max-width: 342px) 100vw, 342px\" \/><\/p>\n<p>\u7576\u4e00\u500b\u5c08\u6848\u9700\u8981\u6975\u7aef\u7684\u97cc\u6027\u548c\u5728\u58d3\u529b\u4e0b\u7684\u53ef\u9760\u6027\u6642\uff0c,\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u662f\u5de5\u7a0b\u5e2b\u7684\u9996\u9078\u3002\u7531\u65bc\u5176\u6df1\u786c\u5316\u80fd\u529b\u548c\u512a\u8d8a\u7684\u75b2\u52de\u6297\u6027\uff0c\u9019\u00a0<strong>\u9019\u662f\u9996\u9078\u7684<\/strong>\u00a0\u88ab\u7528\u65bc\u4e0d\u5141\u8a31\u96f6\u4ef6\u5931\u6548\u7684\u95dc\u9375\u9818\u57df\u3002\u6211\u5011\u63d0\u4f9b\u00a0<strong>AISI 4340 \u92fc<\/strong>\u00a0\u9069\u7528\u65bc\u53f0\u7063\u53ca\u5168\u7403\u5e02\u5834\u5404\u7a2e\u56b4\u82db\u74b0\u5883\u7684\u7522\u54c1\u3002.<\/p>\n<ul>\n<li><strong>\u822a\u7a7a\u822a\u5929\u8207\u570b\u9632\uff1a<\/strong>\u00a0\u5e38\u88ab\u6307\u5b9a\u70ba\u00a0<strong>\u822a\u7a7a\u7d1a 4340<\/strong>, \uff0c\u5b83\u662f\u8d77\u843d\u67b6\u3001\u7d50\u69cb\u7d44\u4ef6\u548c\u9700\u8981\u6700\u5927\u5f37\u5ea6\u8207\u91cd\u91cf\u6bd4\u7684\u5f15\u64ce\u96f6\u4ef6\u7684\u6a19\u6e96\u6750\u6599\u3002.<\/li>\n<li><strong>\u50b3\u52d5\u7cfb\u7d71\uff1a<\/strong>\u00a0\u5c0d\u65bc\u88fd\u9020\u91cd\u578b\u9f52\u8f2a\u3001\u50b3\u52d5\u8ef8\u548c\u66f2\u8ef8\u81f3\u95dc\u91cd\u8981\uff0c\u9019\u4e9b\u96f6\u4ef6\u5fc5\u9808\u627f\u53d7\u6301\u7e8c\u7684\u626d\u77e9\u548c\u5287\u70c8\u7684\u632f\u52d5\u3002.<\/li>\n<li><strong>\u77f3\u6cb9\u8207\u5929\u7136\u6c23\u7522\u696d\uff1a<\/strong>\u00a0\u7528\u65bc\u4e95\u4e0b\u947d\u63a2\u5de5\u5177\u3001\u9ad8\u58d3\u95a5\u9580\u548c\u947d\u982d\u5957\uff0c\u9019\u4e9b\u5730\u65b9\u7684\u6297\u885d\u64ca\u80fd\u529b\u5728\u6df1\u5ea6\u4f5c\u696d\u4e2d\u81f3\u95dc\u91cd\u8981\u3002.<\/li>\n<li><strong>\u6c7d\u8eca\u5de5\u7a0b\uff1a<\/strong>\u00a0\u975e\u5e38\u9069\u5408\u7528\u65bc\u9ad8\u61c9\u529b\u96f6\u4ef6\uff0c\u5982\u9023\u687f\u3001\u8eca\u8ef8\u548c\u8f49\u5411\u7bc0\uff0c\u9019\u4e9b\u96f6\u4ef6\u9762\u81e8\u53cd\u8986\u7684\u8ca0\u8f09\u3002.<\/li>\n<\/ul>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6750\u6599\u5c0d\u65bc\u9577\u671f\u6027\u80fd\u81f3\u95dc\u91cd\u8981\uff0c\u4e86\u89e3\u00a0<a href=\"https:\/\/haoyumaterial.com\/zh\/alloy-steel-vs-stainless-steel\/\">\u5408\u91d1\u92fc\u8207\u4e0d\u92b9\u92fc<\/a>\u00a0\u5982\u4f55\u8655\u7406\u6a5f\u68b0\u61c9\u529b\u53ef\u4ee5\u5e6b\u52a9\u4f60\u5224\u65b74340\u662f\u5426\u9069\u5408\u4f60\u7684\u7279\u5b9a\u6a5f\u68b0\u3002\u5c0d\u65bc\u91cd\u578b\u87ba\u6813\u548c\u5de5\u696d\u7dca\u56fa\u4ef6\uff0c\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u7684\u93b3-\u926c\u5408\u91d1\u7d44\u6210\u63d0\u4f9b\u4e86\u5fc5\u8981\u7684\u75b2\u52de\u5f37\u5ea6\uff0c\u80fd\u61c9\u5c0d\u6fc0\u70c8\u7684\u5faa\u74b0\u8ca0\u8f09\u800c\u4e0d\u88c2\u958b\u3002.<\/p>\n<h2>4340\u82074140\uff1a\u9078\u64c7\u5408\u9069\u7684\u7b49\u7d1a<\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-1282\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x200.webp\" alt=\"\" width=\"443\" height=\"295\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x200.webp 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-768x512.webp 768w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-18x12.webp 18w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-600x400.webp 600w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal.webp 900w\" sizes=\"(max-width: 443px) 100vw, 443px\" \/><\/p>\n<p>\u6c7a\u5b9a\u4f7f\u7528\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u4ee5\u53ca4140\u901a\u5e38\u53d6\u6c7a\u65bc\u96f6\u4ef6\u7684\u5927\u5c0f\u548c\u5c07\u9762\u81e8\u7684\u61c9\u529b\u56b4\u91cd\u7a0b\u5ea6\u3002\u96d6\u7136\u5169\u8005\u90fd\u662f\u00a0<strong>\u9019\u662f\u9996\u9078\u7684<\/strong>\u00a0\u9078\u9805\uff0c,\u00a0<strong>AISI 4340 \u92fc<\/strong>\u00a0\u542b\u6709\u93b3\uff0c\u9019\u5728\u539a\u622a\u9762\u901a\u786c\u5316\u65b9\u9762\u5177\u6709\u5de8\u5927\u512a\u52e2\uff0c\u56e0\u70ba4140\u5728\u6838\u5fc3\u53ef\u80fd\u6703\u5931\u53bb\u5176\u5f37\u5ea6\u3002.<\/p>\n<h3>\u4f55\u6642\u5347\u7d1a\u5230\u93b3-\u926c\u5408\u91d1<\/h3>\n<p>\u4f60\u61c9\u8a72\u5347\u7d1a\u5230\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u7576\u4f60\u7684\u9805\u76ee\u9700\u6c42\u6642\uff1a<\/p>\n<ul>\n<li><strong>\u6df1\u5c64\u6dec\u900f\u6027\uff1a<\/strong>\u00a04340 \u5728\u6bd4 4140 \u66f4\u5927\u7684\u76f4\u5f91\u7bc4\u570d\u5167\u9054\u5230\u5176\u5b8c\u5168\u786c\u5ea6\u3002.<\/li>\n<li><strong>\u5353\u8d8a\u97cc\u6027\uff1a<\/strong>\u00a0\u6dfb\u52a0\u93b3\u78ba\u4fdd\u5373\u4f7f\u5728\u5bd2\u51b7\u74b0\u5883\u4e2d\u4e5f\u5177\u6709\u9ad8\u885d\u64ca\u97cc\u6027\u3002.<\/li>\n<li><strong>\u75b2\u52de\u6297\u6027\uff1a<\/strong>\u00a0\u5c0d\u65bc\u6301\u7e8c\u5faa\u74b0\u8f09\u8377\u7684\u96f6\u4ef6\uff0c4340 \u7684\u75b2\u52de\u5f37\u5ea6\u986f\u8457\u66f4\u9ad8\u3002.<\/li>\n<\/ul>\n<h3>\u6210\u672c\u8207\u6027\u80fd\u7684\u5e73\u8861\u512a\u52e2<\/h3>\n<p>\u96d6\u7136 4140 \u662f\u4e00\u500b\u5177\u6709\u6210\u672c\u6548\u76ca\u7684\u901a\u7528\u9ad8\u5f37\u5ea6\u96f6\u4ef6\u9078\u64c7\uff0c,\u00a0<strong>4340 \u91d1\u5c6c<\/strong>\u00a0\u662f\u95dc\u9375\u96f6\u4ef6\u7684\u4fdd\u96aa\u653f\u7b56\u3002\u8f03\u9ad8\u7684\u6210\u672c\u53cd\u6620\u4e86\u93b3\u542b\u91cf\u53ca\u5176\u5e36\u4f86\u7684\u53ef\u9760\u6027\u3002\u5728\u91cd\u8f09\u61c9\u7528\u4e2d\uff0c\u9577\u671f\u7bc0\u7701\u7684\u96f6\u4ef6\u5931\u6548\u548c\u7dad\u4fee\u6210\u672c\u5f80\u5f80\u8d85\u904e\u521d\u59cb\u6750\u6599\u50f9\u683c\u3002\u9078\u64c7\u00a0<strong>\u93b3\u927b\u926c\u92fc<\/strong>\u00a0\u78ba\u4fdd\u60a8\u7684\u96f6\u4ef6\u80fd\u627f\u53d7\u6700\u9ad8\u8ca0\u8f09\u800c\u4e0d\u958b\u88c2\u6216\u904e\u65e9\u78e8\u640d\u3002\u6211\u5011\u63d0\u4f9b\u5169\u500b\u7b49\u7d1a\uff0c\u4f46\u5c0d\u65bc\u91cd\u578b\u622a\u9762\u548c\u822a\u7a7a\u7d1a\u8981\u6c42\uff0c4340 \u662f\u6a19\u6e96\u9078\u64c7\u3002.<\/p>\n<h2>4340 \u91d1\u5c6c\u7684\u5b9a\u5236\u670d\u52d9\u8207\u54c1\u8cea\u4fdd\u8b49<\/h2>\n<p>\u6211\u5011\u63d0\u4f9b\u7684\u4e0d\u50c5\u50c5\u662f\u539f\u6750\u6599\uff0c\u00a0<strong>4340 \u91d1\u5c6c<\/strong>; \u6211\u5011\u63d0\u4f9b\u7b26\u5408\u6700\u56b4\u82db\u5de5\u7a0b\u6a19\u6e96\u7684\u5c08\u6848\u6e96\u5099\u89e3\u6c7a\u65b9\u6848\u3002\u6211\u5011\u7684\u8a2d\u65bd\u914d\u5099\u9ad8\u7cbe\u5ea6\u52a0\u5de5\u8a2d\u5099\uff0c\u5e6b\u52a9\u60a8\u7bc0\u7701\u6642\u9593\u4e26\u964d\u4f4e\u4e8c\u6b21\u52a0\u5de5\u6210\u672c\u3002\u7121\u8ad6\u60a8\u9700\u8981\u7279\u5b9a\u9577\u5ea6\u6216\u63a5\u8fd1\u6de8\u5f62\u7684\u5f62\u72c0\uff0c\u6211\u5011\u90fd\u4ee5\u5de5\u696d\u7d1a\u7cbe\u5ea6\u8655\u7406\u6bcf\u4e00\u500b\u8a02\u55ae\u3002.<\/p>\n<h3>\u7cbe\u5bc6\u52a0\u5de5\u8207\u6e2c\u8a66<\/h3>\n<p>\u6211\u5011\u63d0\u4f9b\u4e00\u6574\u5957\u670d\u52d9\uff0c\u78ba\u4fdd\u60a8\u7684\u00a0<strong>4340 \u5408\u91d1\u92fc<\/strong>\u00a0\u53ef\u4ee5\u7acb\u5373\u4f7f\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u7cbe\u5bc6\u5207\u5272\uff1a<\/strong>\u00a0\u5148\u9032\u7684\u5e36\u92f8\u201c\u5207\u5272\u5230\u5c3a\u5bf8\u201d\u670d\u52d9\uff0c\u9069\u7528\u65bc\u6240\u6709\u5713\u68d2\u3001\u6241\u68d2\u548c\u677f\u6750\uff0c\u4ee5\u6eff\u8db3\u60a8\u7684\u5c08\u6848\u5c3a\u5bf8\u9700\u6c42\u3002.<\/li>\n<li><strong>\u8868\u9762\u8655\u7406\uff1a<\/strong>\u00a0\u5c08\u696d\u7684\u9291\u524a\u8207\u7814\u78e8\u670d\u52d9\uff0c\u5be6\u73fe\u60a8\u6240\u8981\u6c42\u7684\u8868\u9762\u7c97\u7cd9\u5ea6\u8207\u56b4\u5bc6\u516c\u5dee\u3002.<\/li>\n<li><strong>\u8d85\u97f3\u6ce2\u6aa2\u6e2c\uff08UT\uff09\uff1a<\/strong>\u00a0\u6211\u5011\u63a1\u7528\u56b4\u683c\u7684\u5167\u90e8\u7f3a\u9677\u6aa2\u6e2c\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u4ef6\u7522\u54c1\u00a0<strong>4340 \u6750\u6599<\/strong>\u00a0\u4e0d\u542b\u5167\u90e8\u593e\u96dc\u7269\u6216\u88c2\u7d0b\uff0c\u4f7f\u5176\u9069\u7528\u65bc\u95dc\u9375\u4e14\u627f\u53d7\u9ad8\u61c9\u529b\u7684\u61c9\u7528\u3002.<\/li>\n<\/ul>\n<h3>\u8a8d\u8b49\u54c1\u8cea\u6a19\u6e96<\/h3>\n<p>\u53ef\u9760\u6027\u662f\u6211\u5011\u7684\u57fa\u790e\u3002\u6bcf\u4e00\u6279\u8ca8\u7269\u00a0<strong>AISI 4340 \u92fc<\/strong>\u00a0\u5747\u9644\u6709\u00a0<strong>\u4f9d\u64da EN 10204 3.1 \u7684\u6750\u6599\u6e2c\u8a66\u8b49\u660e\u66f8 (MTC)<\/strong>, \uff0c\u63d0\u4f9b\u5b8c\u6574\u7684\u5316\u5b78\u6210\u5206\u71b1\u5206\u6790\u548c\u6a5f\u68b0\u6027\u80fd\u8ffd\u6eaf\u6027\u3002\u6211\u5011\u7684\u71df\u904b\u9075\u5faa\u56b4\u683c\u7684\u00a0<strong>ISO \u8a8d\u8b49<\/strong>\u00a0\u6a19\u6e96\uff0c\u4e26\u5728\u6574\u500b\u4f9b\u61c9\u93c8\u4e2d\u5be6\u65bd\u5168\u9762\u7684\u00a0<a href=\"https:\/\/haoyumaterial.com\/zh\/technology\/testing-and-quality\/\">\u6e2c\u8a66\u8207\u54c1\u8cea\u63a7\u5236<\/a>\u00a0\u63aa\u65bd\u3002\u6211\u5011\u4fdd\u8b49\u60a8\u6536\u5230\u7684\u6750\u6599\u8207\u60a8\u7684\u6280\u8853\u898f\u683c\u5b8c\u5168\u4e00\u81f4\uff0c\u78ba\u4fdd\u60a8\u5c0d\u6210\u54c1\u7d44\u4ef6\u5145\u6eff\u4fe1\u5fc3\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>4340 Metal: The Ultimate High-Strength Alloy Steel When your project demands a material that won\u2019t fail under extreme stress,\u00a04340 metal\u00a0is [&hellip;]<\/p>\n","protected":false},"featured_media":1282,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[18,17,19],"product_tag":[295],"class_list":{"0":"post-1279","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-alloy-steel","7":"product_cat-stainless-steel","8":"product_cat-low-carbon-steel","9":"product_tag-4340-metal","10":"desktop-align-left","11":"tablet-align-left","12":"mobile-align-left","14":"first","15":"instock","16":"shipping-taxable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/product\/1279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/comments?post=1279"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/media\/1282"}],"wp:attachment":[{"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/media?parent=1279"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/product_brand?post=1279"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/product_cat?post=1279"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/haoyumaterial.com\/zh\/wp-json\/wp\/v2\/product_tag?post=1279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}