{"id":1044,"date":"2026-04-22T03:38:25","date_gmt":"2026-04-22T07:38:25","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1044"},"modified":"2026-04-22T20:20:55","modified_gmt":"2026-04-23T00:20:55","slug":"low-temperature-flange-materials-lng-cryogenic-service-selection-guide","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/zh\/2026\/04\/22\/low-temperature-flange-materials-lng-cryogenic-service-selection-guide\/","title":{"rendered":"\u4f4e\u6e29\u6cd5\u5170\u6750\u6599 LNG \u4f4e\u6e29\u670d\u52a1\u9009\u62e9\u6307\u5357"},"content":{"rendered":"<h2>\u4f4e\u6e29\u6cd5\u5170\u6750\u6599\u6307\u5357<\/h2>\n<p>\u4f4e\u6e29\u548c\u4f4e\u6e29\u5e94\u7528\u9700\u8981\u8003\u8651\u7279\u6b8a\u6750\u6599\uff0c\u4ee5\u9632\u6b62\u8106\u6027\u65ad\u88c2\uff0c\u786e\u4fdd\u5728\u6781\u5bd2\u6761\u4ef6\u4e0b\u5b89\u5168\u8fd0\u884c\u3002.<\/p>\n<h3>\u6e29\u5ea6\u5206\u7c7b<\/h3>\n<table>\n<tr>\n<th>\u7c7b\u522b<\/th>\n<th>\u6e29\u5ea6\u8303\u56f4<\/th>\n<th>\u5178\u578b\u5e94\u7528<\/th>\n<\/tr>\n<tr>\n<td>\u73af\u5883<\/td>\n<td>-20\u00b0C\u81f350\u00b0C<\/td>\n<td>\u6807\u51c6\u5de5\u827a\u7ba1\u9053<\/td>\n<\/tr>\n<tr>\n<td>\u4f4e\u6e29<\/td>\n<td>-46\u00b0C\u81f3-20\u00b0C<\/td>\n<td>\u5236\u51b7\u3001\u6db2\u5316\u77f3\u6cb9\u6c14<\/td>\n<\/tr>\n<tr>\n<td>\u4f4e\u6e29<\/td>\n<td>-196\u00b0C\u81f3-46\u00b0C<\/td>\n<td>\u6db2\u5316\u5929\u7136\u6c14\u3001\u6db2\u6c2e<\/td>\n<\/tr>\n<tr>\n<td>\u6df1\u51b7<\/td>\n<td>\u4f4e\u4e8e -196\u00b0C<\/td>\n<td>\u6db2\u6c26\u3001\u6c22<\/td>\n<\/tr>\n<\/table>\n<h3>\u6750\u6599\u9009\u62e9\u6807\u51c6<\/h3>\n<h4>\u4f4e\u6e29\u7528\u78b3\u94a2<\/h4>\n<ul>\n<li><strong>ASTM A350 LF2\uff1a<\/strong> \u5de5\u4f5c\u6e29\u5ea6\u4f4e\u81f3 -46\u00b0C (-50\u00b0F)<\/li>\n<li><strong>ASTM A350 LF3\uff1a<\/strong> \u5de5\u4f5c\u6e29\u5ea6\u4f4e\u81f3 -101\u00b0C (-150\u00b0F)<\/li>\n<li>\u9700\u8981\u8fdb\u884c\u590f\u6bd4 V \u578b\u7f3a\u53e3\u51b2\u51fb\u6d4b\u8bd5<\/li>\n<li>\u4e2d\u4f4e\u6e29\u6761\u4ef6\u4e0b\u7684\u6210\u672c\u6548\u76ca<\/li>\n<\/ul>\n<h4>\u4f4e\u6e29\u7528\u4e0d\u9508\u94a2<\/h4>\n<ul>\n<li><strong>304\/304L:<\/strong> \u4f4e\u81f3 -196\u00b0C \u7684\u5353\u8d8a\u6027\u80fd\uff08\u6db2\u6c2e\u6e29\u5ea6\uff09<\/li>\n<li><strong>316\/316L:<\/strong> \u5728\u4f4e\u6e29\u6761\u4ef6\u4e0b\u5177\u6709\u5353\u8d8a\u7684\u8010\u8150\u8680\u6027<\/li>\n<li><strong>321:<\/strong> \u7528\u4e8e\u710a\u63a5\u90e8\u4ef6\u7684\u7a33\u5b9a\u7b49\u7ea7<\/li>\n<li>\u5965\u6c0f\u4f53\u7ed3\u6784\u5728\u4f4e\u6e29\u6761\u4ef6\u4e0b\u4ecd\u5177\u6709\u5ef6\u5c55\u6027<\/li>\n<\/ul>\n<h4>\u7528\u4e8e\u6781\u5bd2\u73af\u5883\u7684\u7279\u79cd\u5408\u91d1<\/h4>\n<ul>\n<li><strong>310 \u4e0d\u9508\u94a2\uff1a<\/strong> \u6700\u9ad8\u6e29\u5ea6\u53ef\u8fbe 1150\u00b0C\uff0c\u9002\u5408\u6e29\u5ea6\u5faa\u73af<\/li>\n<li><strong>\u94ec\u954d\u94c1\u5408\u91d1 625\uff1a<\/strong> \u6db2\u5316\u5929\u7136\u6c14\u548c\u6db2\u6c22\u670d\u52a1<\/li>\n<li><strong>\u94dd\u5408\u91d1\uff1a<\/strong> \u8f7b\u578b\u4f4e\u6e29\u5e94\u7528<\/li>\n<\/ul>\n<h3>\u6db2\u5316\u5929\u7136\u6c14\u884c\u4e1a\u8981\u6c42<\/h3>\n<p>\u6db2\u5316\u5929\u7136\u6c14\uff08LNG\uff09\u7684\u50a8\u5b58\u548c\u8fd0\u8f93\u6e29\u5ea6\u4e3a -162\u00b0C (-260\u00b0F)\uff0c\u9700\u8981\u4e13\u95e8\u7684\u6750\u6599\uff1a<\/p>\n<ul>\n<li>\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\uff08304L\u3001316L\uff09<\/li>\n<li>9% \u50a8\u7f50\u7528\u954d\u94a2<\/li>\n<li>\u7528\u4e8e\u70ed\u4ea4\u6362\u5668\u7684\u94dd\u5408\u91d1<\/li>\n<li>\u7279\u6b8a\u57ab\u5708\u548c\u5bc6\u5c01\u6750\u6599<\/li>\n<\/ul>\n<h3>\u5173\u952e\u6750\u6599\u7279\u6027<\/h3>\n<h4>\u97e7\u6027\u5230\u8106\u6027\u7684\u8f6c\u53d8<\/h4>\n<p>\u78b3\u94a2\u5728\u4f4e\u6e29\u4e0b\u4f1a\u53d1\u751f\u97e7\u6027\u5411\u8106\u6027\u7684\u8f6c\u53d8\u3002\u4f4e\u4e8e\u8f6c\u53d8\u6e29\u5ea6\u65f6\uff0c\u6750\u6599\u5bb9\u6613\u53d1\u751f\u8106\u6027\u65ad\u88c2\u3002.<\/p>\n<h4>\u51b2\u51fb\u6d4b\u8bd5\u8981\u6c42<\/h4>\n<ul>\n<li>\u8bbe\u8ba1\u6e29\u5ea6\u4e0b\u7684\u590f\u6bd4 V \u578b\u7f3a\u53e3\u6d4b\u8bd5<\/li>\n<li>\u6700\u5c0f\u51b2\u51fb\u80fd\u91cf\uff1a\u5178\u578b\u503c\u4e3a 20 \u7126\u8033\uff0815 \u82f1\u5c3a-\u78c5<\/li>\n<li>\u6a2a\u5411\u81a8\u80c0\u8981\u6c42\u7b26\u5408 ASME B31.3 \u6807\u51c6<\/li>\n<\/ul>\n<h3>\u8bbe\u8ba1\u8003\u8651\u56e0\u7d20<\/h3>\n<ol>\n<li><strong>\u70ed\u6536\u7f29\uff1a<\/strong> \u8003\u8651\u4f4e\u6e29\u4e0b\u7684\u6750\u6599\u6536\u7f29<\/li>\n<li><strong>\u7edd\u7f18\uff1a<\/strong> \u9632\u6b62\u70ed\u91cf\u4fb5\u5165\u548c\u5916\u90e8\u7ed3\u971c<\/li>\n<li><strong>\u652f\u6301\u7cfb\u7edf\uff1a<\/strong> \u5141\u8bb8\u70ed\u8fd0\u52a8<\/li>\n<li><strong>\u57ab\u7247\u9009\u62e9\uff1a<\/strong> \u4f7f\u7528\u4f4e\u6e29\u7b49\u7ea7\u57ab\u5708\uff08\u87ba\u65cb\u7f20\u7ed5\u3001\u805a\u56db\u6c1f\u4e59\u70ef\uff09<\/li>\n<li><strong>\u87ba\u6813\u8fde\u63a5\uff1a<\/strong> \u4f4e\u6e29\u87ba\u6813\u8fde\u63a5\uff08ASTM A320 L7\u3001L7M\uff09<\/li>\n<\/ol>\n<h3>\u5e38\u89c1\u5e94\u7528<\/h3>\n<ul>\n<li><strong>\u6db2\u5316\u5929\u7136\u6c14\u8bbe\u65bd\uff1a<\/strong> \u6db2\u5316\u3001\u50a8\u5b58\u3001\u518d\u6c14\u5316<\/li>\n<li><strong>\u7a7a\u6c14\u5206\u79bb\uff1a<\/strong> \u6db2\u6c27\u3001\u6c2e\u6c14\u548c\u6c29\u6c14\u751f\u4ea7<\/li>\n<li><strong>\u77f3\u6cb9\u5316\u5de5\uff1a<\/strong> \u4e59\u70ef\u3001\u4e19\u70ef\u5de5\u5382<\/li>\n<li><strong>\u98df\u54c1\u5de5\u4e1a\uff1a<\/strong> \u4f4e\u6e29\u51b7\u51bb<\/li>\n<li><strong>\u533b\u7597<\/strong> \u6db2\u6c2e\u50a8\u5b58<\/li>\n<\/ul>\n<h3>\u6807\u51c6\u548c\u89c4\u8303<\/h3>\n<ul>\n<li>ASME B31.3\uff1a\u5de5\u827a\u7ba1\u9053\uff08\u7b2c\u4e5d\u7ae0\uff1a\u4f4e\u6e29\uff09<\/li>\n<li>ASME B16.5\uff1a\u4f4e\u6e29\u87ba\u6813\u8fde\u63a5\u8981\u6c42<\/li>\n<li>ASTM A350\uff1a\u4f4e\u6e29\u78b3\u94a2\u953b\u4ef6<\/li>\n<li>EN 1092-1\uff1a\u6b27\u6d32\u4f4e\u6e29\u6cd5\u5170\u6807\u51c6<\/li>\n<li>BS 6364\uff1a\u4f4e\u6e29\u9600\u95e8<\/li>\n<\/ul>\n<h3>\u68c0\u67e5\u548c\u6d4b\u8bd5<\/h3>\n<ul>\n<li>100% \u5916\u89c2\u68c0\u67e5<\/li>\n<li>\u78c1\u7c89\u6216\u67d3\u6599\u6e17\u900f\u6d4b\u8bd5<\/li>\n<li>\u6bcf\u4e2a\u70ed\u5904\u7406\u6279\u6b21\u7684\u51b2\u51fb\u6d4b\u8bd5<\/li>\n<li>\u73af\u5883\u6e29\u5ea6\u4e0b\u7684\u6c34\u538b\u8bd5\u9a8c<\/li>\n<\/ul>\n<p>\u6b63\u786e\u9009\u62e9\u7528\u4e8e\u4f4e\u6e29\u5de5\u51b5\u7684\u6750\u6599\u5bf9\u4e8e\u9632\u6b62\u707e\u96be\u6027\u6545\u969c\u81f3\u5173\u91cd\u8981\u3002\u5728\u6307\u5b9a\u4f4e\u6e29\u6cd5\u5170\u65f6\uff0c\u5e94\u59cb\u7ec8\u53c2\u8003\u9002\u7528\u7684\u89c4\u8303\u5e76\u8003\u8651\u5b8c\u6574\u7684\u7cfb\u7edf\u8bbe\u8ba1\u3002.<\/p>\n<p><strong>WhatsApp\uff1a<\/strong>\u00a0+86-18658777855<br \/>\n<strong>\u7535\u5b50\u90ae\u4ef6\uff1a<\/strong>\u00a01007788887@qq.com<br \/>\n<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"http:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp\" alt=\"\" width=\"1290\" height=\"2317\" title=\"\" srcset=\"https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp 1290w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-167x300.webp 167w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-570x1024.webp 570w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-768x1379.webp 768w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-855x1536.webp 855w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-1140x2048.webp 1140w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-7x12.webp 7w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-416x747.webp 416w\" sizes=\"auto, (max-width: 1290px) 100vw, 1290px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Low Temperature Flange Materials Guide Cryogenic and low-temperature applications require special material considerations to prevent brittle fracture and ensure safe operation in extreme cold conditions. Temperature Classifications Category Temperature Range Typical Applications Ambient -20\u00b0C to 50\u00b0C Standard process piping Low Temperature -46\u00b0C to -20\u00b0C Refrigeration, LPG Cryogenic -196\u00b0C to -46\u00b0C LNG, liquid nitrogen Deep Cryogenic [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[77,66,89,78],"class_list":["post-1044","post","type-post","status-publish","format-standard","hentry","category-blog","tag-carbon","tag-flange","tag-pn16","tag-stainless"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/comments?post=1044"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1044\/revisions"}],"predecessor-version":[{"id":1054,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1044\/revisions\/1054"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/media?parent=1044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/categories?post=1044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/tags?post=1044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}