{"id":19085,"date":"2024-08-07T01:11:29","date_gmt":"2024-08-06T17:11:29","guid":{"rendered":"https:\/\/petroleumtubes.com\/?p=19085"},"modified":"2024-08-07T02:52:50","modified_gmt":"2024-08-06T18:52:50","slug":"what-is-api-5l-pipe-equivalent-to","status":"publish","type":"post","link":"https:\/\/petroleumtubes.com\/zh\/what-is-api-5l-pipe-equivalent-to\/","title":{"rendered":"API 5L\u7ba1\u9053\u76f8\u5f53\u4e8e\u4ec0\u4e48\uff1f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a67d92cc4d80\" aria-hidden=\"true\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6a67d92cc4d80\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/petroleumtubes.com\/zh\/what-is-api-5l-pipe-equivalent-to\/#_API_5L_%E7%AE%A1%E9%81%93%E7%AD%89%E6%95%88%E6%A0%87%E5%87%86%E5%92%8C%E8%A7%84%E8%8C%83\" title=\"**\u00a0API 5L \u7ba1\u9053\u7b49\u6548\u6807\u51c6\u548c\u89c4\u8303**\">**\u00a0API 5L \u7ba1\u9053\u7b49\u6548\u6807\u51c6\u548c\u89c4\u8303**<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/petroleumtubes.com\/zh\/what-is-api-5l-pipe-equivalent-to\/#API_5L%E7%AE%A1%E6%9D%90%E4%B8%8E%E5%85%B6%E4%BB%96%E7%AE%A1%E6%9D%90%E7%AD%89%E7%BA%A7%E7%9A%84%E5%AF%B9%E6%AF%94%E5%88%86%E6%9E%90\" title=\"**API 5L\u7ba1\u6750\u4e0e\u5176\u4ed6\u7ba1\u6750\u7b49\u7ea7\u7684\u5bf9\u6bd4\u5206\u6790**\">**API 5L\u7ba1\u6750\u4e0e\u5176\u4ed6\u7ba1\u6750\u7b49\u7ea7\u7684\u5bf9\u6bd4\u5206\u6790**<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"api-5l-pipe-equivalent-standards-and-specifications-wpaicgheading\"><span class=\"ez-toc-section\" id=\"_API_5L_%E7%AE%A1%E9%81%93%E7%AD%89%E6%95%88%E6%A0%87%E5%87%86%E5%92%8C%E8%A7%84%E8%8C%83\"><\/span>**<strong>\u00a0API<\/strong> 5L \u7ba1\u9053\u7b49\u6548\u6807\u51c6\u548c\u89c4\u8303**<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nAPI 5L \u7ba1\u9053\u662f\u7531\u7f8e\u56fd\u77f3\u6cb9\u5b66\u4f1a\u5236\u5b9a\u7684\u89c4\u8303\uff0c\u6982\u8ff0\u4e86\u7528\u4e8e\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u8fd0\u8f93\u7684\u7ba1\u7ebf\u7ba1\u7684\u5236\u9020\u8981\u6c42\u3002\u8be5\u89c4\u8303\u5bf9\u4e8e\u786e\u4fdd\u7ba1\u9053\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u6709\u5173\u7ba1\u9053\u7684\u6750\u6599\u3001\u5c3a\u5bf8\u548c\u673a\u68b0\u6027\u80fd\u7684\u6307\u5357\u3002\u7136\u800c\uff0c\u5fc5\u987b\u8ba4\u8bc6\u5230 API 5L \u5e76\u4e0d\u662f\u884c\u4e1a\u4e2d\u552f\u4e00\u7684\u6807\u51c6\uff0c\u5168\u7403\u8303\u56f4\u5185\u8fd8\u5b58\u5728\u5404\u79cd\u7b49\u6548\u6807\u51c6\u548c\u89c4\u8303\u3002\u4e86\u89e3\u8fd9\u4e9b\u7b49\u6548\u6807\u51c6\u5bf9\u4e8e\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u884c\u4e1a\u7684\u5de5\u7a0b\u5e08\u3001\u91c7\u8d2d\u4e13\u4e1a\u4eba\u5458\u548c\u9879\u76ee\u7ecf\u7406\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5728\u9009\u62e9\u7ba1\u9053\u65bd\u5de5\u6750\u6599\u65f6\u505a\u51fa\u66f4\u597d\u7684\u51b3\u7b56\u3002<\/p>\n<p>\u6700\u53d7\u8ba4\u53ef\u7684 API 5L \u7b49\u6548\u6807\u51c6\u4e4b\u4e00\u662fISO 3183 \u6807\u51c6\uff0c\u8fd9\u662f\u7ba1\u7ebf\u7ba1\u7684\u56fd\u9645\u89c4\u8303\u3002 ISO 3183 \u6db5\u76d6\u4e86\u6709\u5173\u78b3\u6c22\u5316\u5408\u7269\u8fd0\u8f93\u7ba1\u9053\u7684\u5316\u5b66\u6210\u5206\u3001\u673a\u68b0\u6027\u80fd\u548c\u6d4b\u8bd5\u65b9\u6cd5\u7684\u7c7b\u4f3c\u8981\u6c42\u3002 ISO 3183 \u4e0e API 5L \u7684\u4e00\u81f4\u6027\u4f7f\u5176\u6210\u4e3a\u5408\u9002\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u9700\u8981\u9075\u5b88\u56fd\u9645\u6807\u51c6\u7684\u9879\u76ee\u3002\u6b64\u5916\uff0cISO \u6807\u51c6\u63d0\u4f9b\u4e86\u66f4\u5e7f\u6cdb\u7684\u8303\u56f4\uff0c\u53ef\u5bb9\u7eb3\u5404\u79cd\u7b49\u7ea7\u548c\u5c3a\u5bf8\uff0c\u8fd9\u5bf9\u4e8e\u5177\u6709\u7279\u5b9a\u8981\u6c42\u7684\u9879\u76ee\u6765\u8bf4\u662f\u6709\u76ca\u7684\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u7b49\u6548\u6807\u51c6\u662f ASTM A53 \u89c4\u8303\uff0c\u8be5\u89c4\u8303\u5728\u7f8e\u56fd\u5e7f\u6cdb\u4f7f\u7528\u3002 ASTM A53 \u6db5\u76d6\u65e0\u7f1d\u3001\u710a\u63a5\u9ed1\u8272\u548c\u70ed\u9540\u950c\u94a2\u7ba1\uff0c\u4e3b\u8981\u7528\u4e8e\u673a\u68b0\u548c\u538b\u529b\u5e94\u7528\u3002\u867d\u7136 ASTM A53 \u5e76\u975e\u4e13\u95e8\u4e3a\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u5e94\u7528\u800c\u8bbe\u8ba1\uff0c\u4f46\u5b83\u4e0e API 5L \u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u5904\uff0c\u7279\u522b\u662f\u5728\u6750\u6599\u7279\u6027\u548c\u5236\u9020\u5de5\u827a\u65b9\u9762\u3002\u7136\u800c\uff0c\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5bf9\u4e8e\u67d0\u4e9b\u5e94\u7528\uff0c\u5c24\u5176\u662f\u6d89\u53ca\u9ad8\u538b\u548c\u9ad8\u6e29\u6761\u4ef6\u7684\u5e94\u7528\uff0cASTM A53 \u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u4e0e API 5L \u76f8\u540c\u7684\u4e25\u683c\u8981\u6c42\u3002<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"casing pipe Wholesale-Price High-Quality high-quality China,High Quality N80,OCTG Oil Casing\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/kOVVhzPNumA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\u5728\u6b27\u6d32\uff0cEN 10208 \u6807\u51c6\u76f8\u5f53\u4e8e API 5L\u3002\u672c\u6807\u51c6\u89c4\u5b9a\u4e86\u8f93\u9001\u6c14\u4f53\u548c\u6db2\u4f53\u4ecb\u8d28\u7528\u94a2\u7ba1\u7684\u4ea4\u8d27\u6280\u672f\u6761\u4ef6\u3002 EN 10208 \u5206\u4e3a\u51e0\u4e2a\u90e8\u5206\uff0c\u6bcf\u4e2a\u90e8\u5206\u6d89\u53ca\u7ba1\u9053\u5236\u9020\u548c\u6d4b\u8bd5\u7684\u4e0d\u540c\u65b9\u9762\u3002 EN 10208 \u4e0e API 5L \u7684\u4e00\u81f4\u6027\u786e\u4fdd\u6b27\u6d32\u9879\u76ee\u80fd\u591f\u4fdd\u6301\u7b26\u5408\u5f53\u5730\u548c\u56fd\u9645\u6807\u51c6\uff0c\u4ece\u800c\u4fc3\u8fdb API 5L \u7ba1\u9053\u5728\u6574\u4e2a\u6b27\u6d32\u5927\u9646\u7684\u5404\u79cd\u5e94\u7528\u4e2d\u7684\u4f7f\u7528\u3002\u6b64\u5916\uff0c\u65e5\u672c\u7684 JIS G3462 \u6807\u51c6\u63d0\u4f9b\u4e86\u53e6\u4e00\u4e2a\u7b49\u6548\u89c4\u8303\u3002\u8be5\u6807\u51c6\u6db5\u76d6\u4e86\u7528\u4e8e\u8fd0\u8f93\u6d41\u4f53\uff08\u5305\u62ec\u77f3\u6cb9\u548c\u5929\u7136\u6c14\uff09\u7684\u78b3\u94a2\u7ba1\u7684\u8981\u6c42\u3002 JIS G3462 \u5f3a\u8c03\u8d28\u91cf\u63a7\u5236\u548c\u6d4b\u8bd5\u7684\u91cd\u8981\u6027\uff0c\u7c7b\u4f3c\u4e8e API 5L\uff0c\u786e\u4fdd\u7ba1\u9053\u6ee1\u8db3\u5b89\u5168\u9ad8\u6548\u8fd0\u884c\u6240\u9700\u7684\u6027\u80fd\u6807\u51c6\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/petroleumtubes.com\/wp-content\/uploads\/2024\/04\/logo-7.png\">\\\\t\\\\t\u603b\u800c\u8a00\u4e4b\uff0c\u867d\u7136 API 5L \u4ecd\u7136\u662f\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u884c\u4e1a\u7ba1\u7ebf\u7ba1\u7684\u57fa\u77f3\u89c4\u8303\uff0c\u4f46\u5b58\u5728\u591a\u4e2a\u7b49\u6548\u6807\u51c6\uff0c\u53ef\u4ee5\u6839\u636e\u5730\u7406\u4f4d\u7f6e\u548c\u5177\u4f53\u9879\u76ee\u8981\u6c42\u4f7f\u7528\u8fd9\u4e9b\u6807\u51c6\u3002 ISO 3183\u3001ASTM A53\u3001EN 10208 \u548c JIS G3462 \u53ea\u662f\u8fd9\u4e9b\u7b49\u6548\u6807\u51c6\u7684\u51e0\u4e2a\u793a\u4f8b\uff0c\u6bcf\u4e2a\u6807\u51c6\u90fd\u63d0\u4f9b\u72ec\u7279\u7684\u4f18\u52bf\u5e76\u7b26\u5408\u5404\u79cd\u76d1\u7ba1\u6846\u67b6\u3002\u4e86\u89e3\u8fd9\u4e9b\u66ff\u4ee3\u65b9\u6848\u53ef\u4ee5\u8ba9\u884c\u4e1a\u4e13\u4e1a\u4eba\u58eb\u5728\u9009\u62e9\u6750\u6599\u65f6\u505a\u51fa\u660e\u667a\u7684\u51b3\u5b9a\uff0c\u6700\u7ec8\u6709\u52a9\u4e8e\u7ba1\u9053\u7cfb\u7edf\u7684\u5b89\u5168\u3001\u6548\u7387\u548c\u53ef\u9760\u6027\u3002\u968f\u7740\u5168\u7403\u80fd\u6e90\u683c\u5c40\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u719f\u6089\u8fd9\u4e9b\u6807\u51c6\u5bf9\u4e8e\u786e\u4fdd\u9879\u76ee\u6ee1\u8db3\u5f53\u5730\u548c\u56fd\u9645\u671f\u671b\u4ecd\u7136\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h1 id=\"comparative-analysis-of-api-5l-pipe-and-other-pipe-grades-wpaicgheading\"><span class=\"ez-toc-section\" id=\"API_5L%E7%AE%A1%E6%9D%90%E4%B8%8E%E5%85%B6%E4%BB%96%E7%AE%A1%E6%9D%90%E7%AD%89%E7%BA%A7%E7%9A%84%E5%AF%B9%E6%AF%94%E5%88%86%E6%9E%90\"><\/span>**API 5L\u7ba1\u6750\u4e0e\u5176\u4ed6\u7ba1\u6750\u7b49\u7ea7\u7684\u5bf9\u6bd4\u5206\u6790**<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nAPI 5L \u7ba1\u9053\u662f\u7531\u7f8e\u56fd\u77f3\u6cb9\u5b66\u4f1a\u5236\u5b9a\u7684\u89c4\u8303\uff0c\u6982\u8ff0\u4e86\u7528\u4e8e\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u8fd0\u8f93\u7684\u7ba1\u7ebf\u7ba1\u7684\u5236\u9020\u8981\u6c42\u3002\u8be5\u89c4\u8303\u5bf9\u4e8e\u786e\u4fdd\u7ba1\u9053\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\uff0c\u800c\u7ba1\u9053\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u5bf9\u4e8e\u80fd\u6e90\u884c\u4e1a\u81f3\u5173\u91cd\u8981\u3002\u5728\u8ba8\u8bba API 5L \u7ba1\u9053\u4e0e\u5176\u4ed6\u7ba1\u9053\u7b49\u7ea7\u7684\u7b49\u6548\u6027\u65f6\uff0c\u91cd\u8981\u7684\u662f\u8981\u8003\u8651\u5404\u79cd\u56e0\u7d20\uff0c\u5305\u62ec\u6750\u6599\u7279\u6027\u3001\u673a\u68b0\u7279\u6027\u548c\u9884\u671f\u5e94\u7528\u3002<\/p>\n<p>API 5L \u7ba1\u9053\u6700\u5e38\u89c1\u7684\u7b49\u6548\u7269\u4e4b\u4e00\u662f <a href=\"\/tag\/astm-a106\" target=\"_blank\"><strong>astm a106<\/strong><\/a> \u7ea7\u7ba1\u9053\u3002 API 5L \u548c ASTM A106 \u5747\u4e13\u4e3a\u9ad8\u6e29\u9ad8\u538b\u5e94\u7528\u800c\u8bbe\u8ba1\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u884c\u4e1a\u7684\u7c7b\u4f3c\u7528\u9014\u3002\u7136\u800c\uff0c\u867d\u7136 ASTM A106 \u4e3b\u8981\u9002\u7528\u4e8e\u65e0\u7f1d\u78b3\u94a2\u7ba1\uff0c\u4f46 API 5L \u6db5\u76d6\u65e0\u7f1d\u7ba1\u548c\u710a\u7ba1\uff0c\u4e3a\u7ba1\u9053\u5efa\u8bbe\u63d0\u4f9b\u4e86\u66f4\u5e7f\u6cdb\u7684\u9009\u62e9\u3002\u8fd9\u4e24\u4e2a\u89c4\u8303\u7684\u5316\u5b66\u6210\u5206\u548c\u673a\u68b0\u6027\u80fd\u53ef\u80fd\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u5b83\u4eec\u5728\u5c48\u670d\u5f3a\u5ea6\u548c\u62c9\u4f38\u5f3a\u5ea6\u65b9\u9762\u7ecf\u5e38\u91cd\u53e0\uff0c\u8fd9\u5bf9\u4e8e\u786e\u4fdd\u7ba1\u9053\u80fd\u591f\u627f\u53d7\u4f7f\u7528\u4e2d\u9047\u5230\u7684\u5e94\u529b\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u503c\u5f97\u6ce8\u610f\u7684\u7b49\u6548\u6807\u51c6\u662f ASTM A53\u7ba1\u9053\uff0c\u4e5f\u5e7f\u6cdb\u7528\u4e8e\u7ba1\u9053\u5efa\u8bbe\u3002 ASTM A53 \u6709\u65e0\u7f1d\u548c\u710a\u63a5\u4e24\u79cd\u5f62\u5f0f\uff0c\u7c7b\u4f3c\u4e8e API 5L\u3002\u7136\u800c\uff0c\u4e0e API 5L \u76f8\u6bd4\uff0cASTM A53 \u901a\u5e38\u7528\u4e8e\u8f83\u4f4e\u538b\u529b\u7684\u5e94\u7528\uff0cAPI 5L \u662f\u4e13\u95e8\u4e3a\u5728\u8f83\u9ad8\u538b\u529b\u4e0b\u8f93\u9001\u6d41\u4f53\u800c\u8bbe\u8ba1\u7684\u3002\u8fd9\u79cd\u533a\u522b\u5bf9\u4e8e\u5de5\u7a0b\u5e08\u548c\u9879\u76ee\u7ecf\u7406\u5728\u4e3a\u7279\u5b9a\u5e94\u7528\u9009\u62e9\u9002\u5f53\u7684\u7ba1\u9053\u7b49\u7ea7\u65f6\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u4e3a\u4f7f\u7528\u4e0d\u7b26\u5408\u6240\u9700\u89c4\u683c\u7684\u7ba1\u9053\u53ef\u80fd\u4f1a\u5bfc\u81f4\u707e\u96be\u6027\u6545\u969c\u3002<\/p>\n<p><a href=\"\/tag\/api-5ct-l80\" target=\"_blank\"><strong><a href=\"\/tag\/api-5ct\" target=\"_blank\"><strong>api <strong> 5CT<\/strong><\/strong><\/a> <a href=\"\/tag\/l80\" target=\"_blank\"><strong><a href=\"\/tag\/l80-2\" target=\"_blank\"><strong>l80<\/strong><\/a><\/strong><\/a><\/strong><\/a> 13Cr \u5957\u7ba1\u4ef7\u683c\u9664\u4e86 ASTM A106 \u548cA53\uff0cAPI 5L \u7ba1\u9053\u4e5f\u53ef\u4ee5\u4e0e ISO 3183 \u6807\u51c6\u8fdb\u884c\u6bd4\u8f83\uff0c\u8be5\u6807\u51c6\u662f\u7ba1\u7ebf\u7ba1\u7684\u56fd\u9645\u89c4\u8303\u3002 ISO 3183 \u4e0e API 5L \u7c7b\u4f3c\uff0c\u90fd\u6db5\u76d6\u4e86\u7528\u4e8e\u78b3\u6c22\u5316\u5408\u7269\u8fd0\u8f93\u7684\u7ba1\u9053\u7684\u8981\u6c42\uff0c\u4f46\u5728\u56fd\u9645\u5e02\u573a\u4e0a\u5f97\u5230\u4e86\u66f4\u5e7f\u6cdb\u7684\u8ba4\u53ef\u3002 API 5L \u548c ISO 3183 \u4e4b\u95f4\u7684\u7b49\u6548\u6027\u5bf9\u4e8e\u5728\u591a\u4e2a\u56fd\u5bb6\u8fd0\u8425\u7684\u516c\u53f8\u5c24\u5176\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u91c7\u7528\u66f4\u6807\u51c6\u5316\u7684\u7ba1\u9053\u5efa\u8bbe\u548c\u7ef4\u62a4\u65b9\u6cd5\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5728\u8003\u8651 API 5L \u7ba1\u9053\u4e0e\u5176\u4ed6\u7b49\u7ea7\u7684\u7b49\u6548\u6027\u65f6\uff0c\u5fc5\u987b\u8003\u8651 API 5L \u89c4\u8303\u672c\u8eab\u7684\u5177\u4f53\u7b49\u7ea7\u540d\u79f0\u3002\u4f8b\u5982\uff0cAPI 5L\u6709\u591a\u79cd\u724c\u53f7\uff0c\u5982X42\u3001X52\u3001X60\u548cX70\uff0c\u6bcf\u79cd\u724c\u53f7\u8868\u793a\u4e0d\u540c\u7684\u5c48\u670d\u5f3a\u5ea6\u3002\u8fd9\u4e9b\u724c\u53f7\u53ef\u4ee5\u4e0e\u5176\u4ed6\u89c4\u683c\u8fdb\u884c\u6bd4\u8f83\uff0c\u4f8b\u5982\u6b27\u6d32\u6807\u51c6 EN 10025 \u4e2d\u7684 S235\u3001S275 \u548c S355 \u724c\u53f7\uff0c\u5b83\u4eec\u8868\u793a\u4e0d\u540c\u7684\u5c48\u670d\u5f3a\u5ea6\uff0c\u901a\u5e38\u7528\u4e8e\u7ed3\u6784\u5e94\u7528\u3002\u4e86\u89e3\u8fd9\u4e9b\u7b49\u6548\u5173\u7cfb\u5bf9\u4e8e\u5de5\u7a0b\u5e08\u6765\u8bf4\u81f3\u5173\u91cd\u8981\uff0c\u4ed6\u4eec\u5fc5\u987b\u786e\u4fdd\u6240\u9009\u7ba1\u9053\u7b49\u7ea7\u6ee1\u8db3\u9884\u671f\u5e94\u7528\u6240\u9700\u7684\u673a\u68b0\u6027\u80fd\u3002<\/p>\n<p>\u603b\u800c\u8a00\u4e4b\uff0cAPI 5L 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