{"id":861,"date":"2026-04-09T12:36:34","date_gmt":"2026-04-09T04:36:34","guid":{"rendered":""},"modified":"2026-04-09T23:39:08","modified_gmt":"2026-04-10T03:39:08","slug":"stainless-steel-grade-selection-flanges-304-316-321-347","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/zh\/2026\/04\/09\/stainless-steel-grade-selection-flanges-304-316-321-347\/","title":{"rendered":"\u6cd5\u5170\u7684\u4e0d\u9508\u94a2\u7b49\u7ea7\u9009\u62e9\uff1a304 vs 316 vs 321 vs 347"},"content":{"rendered":"<figure class=\"flange-image\"><\/figure>\n<h1>\u6cd5\u5170\u7684\u4e0d\u9508\u94a2\u7b49\u7ea7\u9009\u62e9\uff1a304 vs 316 vs 321 vs 347<\/h1>\n<p><strong>\u9009\u62e9\u5408\u9002\u7684\u4e0d\u9508\u94a2\u7b49\u7ea7<\/strong> \u5728\u7279\u5b9a\u5e94\u7528\u4e2d\uff0c\u6750\u6599\u5bf9\u4e8e\u6cd5\u5170\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u9519\u8bef\u7684\u6750\u6599\u4f1a\u5bfc\u81f4\u8fc7\u65e9\u5931\u6548\u3001\u8150\u8680\u548c\u4ee3\u4ef7\u9ad8\u6602\u7684\u505c\u673a\u65f6\u95f4\u3002<\/p>\n<h2>\u7528\u4e8e\u6cd5\u5170\u7684\u5e38\u89c1\u4e0d\u9508\u94a2\u724c\u53f7<\/h2>\n<h3>304\/304L \u4e0d\u9508\u94a2<\/h3>\n<ul>\n<li><strong>\u6784\u6210<\/strong> 18% \u94ec\u30018% \u954d<\/li>\n<li><strong>\u7279\u70b9<\/strong> \u4f18\u5f02\u7684\u8010\u8150\u8680\u6027\uff0c\u826f\u597d\u7684\u6210\u578b\u6027<\/li>\n<li><strong>\u6e29\u5ea6\u8303\u56f4\uff1a<\/strong> -196\u00b0C \u81f3 800\u00b0C<\/li>\n<li><strong>\u5e94\u7528\uff1a<\/strong> \u98df\u54c1\u52a0\u5de5\u3001\u5316\u5de5\u3001\u6c34\u5904\u7406<\/li>\n<li><strong>\u6807\u51c6\uff1a<\/strong> ASTM A182 F304\/F304L\uff0cEN 1.4301\/1.4307<\/li>\n<\/ul>\n<h3>316\/316L \u4e0d\u9508\u94a2<\/h3>\n<ul>\n<li><strong>\u6784\u6210<\/strong> 16% \u94ec\u300110% \u954d\u30012% \u94bc<\/li>\n<li><strong>\u7279\u70b9<\/strong> \u5353\u8d8a\u7684\u8010\u6c2f\u5316\u7269\u6027\u80fd\uff0c\u8239\u8236\u7ea7<\/li>\n<li><strong>\u6e29\u5ea6\u8303\u56f4\uff1a<\/strong> -196\u00b0C \u81f3 850\u00b0C<\/li>\n<li><strong>\u5e94\u7528\uff1a<\/strong> \u6d77\u6d0b\u3001\u8fd1\u6d77\u3001\u5316\u5b66\u52a0\u5de5<\/li>\n<li><strong>\u6807\u51c6\uff1a<\/strong> ASTM A182 F316\/F316L\uff0cEN 1.4401\/1.4404<\/li>\n<\/ul>\n<h3>321 \u4e0d\u9508\u94a2<\/h3>\n<ul>\n<li><strong>\u6784\u6210<\/strong> 18% \u94ec\u300110% \u954d\u3001\u7a33\u5b9a\u949b<\/li>\n<li><strong>\u7279\u70b9<\/strong> \u4f18\u5f02\u7684\u6297\u6676\u95f4\u8150\u8680\u6027\u80fd<\/li>\n<li><strong>\u6e29\u5ea6\u8303\u56f4\uff1a<\/strong> -196\u00b0C \u81f3 900\u00b0C<\/li>\n<li><strong>\u5e94\u7528\uff1a<\/strong> \u9ad8\u6e29\u670d\u52a1\uff0c\u6392\u6c14\u7cfb\u7edf<\/li>\n<li><strong>\u6807\u51c6\uff1a<\/strong> ASTM A182 F321, EN 1.4541<\/li>\n<\/ul>\n<h3>347 \u4e0d\u9508\u94a2<\/h3>\n<ul>\n<li><strong>\u6784\u6210<\/strong> 18% \u94ec\u300110% \u954d\u3001\u94cc\u7a33\u5b9a\u5316<\/li>\n<li><strong>\u7279\u70b9<\/strong> \u51fa\u8272\u7684\u9ad8\u6e29\u5f3a\u5ea6<\/li>\n<li><strong>\u6e29\u5ea6\u8303\u56f4\uff1a<\/strong> -196\u00b0C \u81f3 900\u00b0C<\/li>\n<li><strong>\u5e94\u7528\uff1a<\/strong> \u53d1\u7535\u3001\u77f3\u5316<\/li>\n<li><strong>\u6807\u51c6\uff1a<\/strong> \u7f8e\u56fd\u6807\u51c6ASTM A182 F347, EN 1.4550<\/li>\n<\/ul>\n<h2>\u6750\u6599\u9009\u62e9\u6307\u5357<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u5e94\u7528<\/th>\n<th>\u5efa\u8bae\u7b49\u7ea7<\/th>\n<\/tr>\n<tr>\n<td>Food &amp; Beverage<\/td>\n<td>304\/304L<\/td>\n<\/tr>\n<tr>\n<td>\u6d77\u6d0b\/\u8fd1\u6d77<\/td>\n<td>316\/316L<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u6e29<\/td>\n<td>321\/347<\/td>\n<\/tr>\n<tr>\n<td>\u5316\u5b66\u52a0\u5de5<\/td>\n<td>316L\/904L<\/td>\n<\/tr>\n<tr>\n<td>\u4f4e\u6e29<\/td>\n<td>304L\/316L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"quote-box\">\n<h3>\ud83d\udcde \u83b7\u53d6\u6750\u6599\u5efa\u8bae<\/h3>\n<p><strong>WhatsApp\uff1a<\/strong> +86-18658777855<\/p>\n<p><strong>\u7535\u5b50\u90ae\u4ef6\uff1a<\/strong> 1007788887@qq.com<\/p>\n<\/div>\n<p><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>\u6cd5\u5170\u7528\u4e0d\u9508\u94a2\u724c\u53f7\u5927\u5168\u3002\u6bd4\u8f83 304\u3001316\u3001321 \u548c 347 \u7684\u7279\u6027\uff0c\u4e3a\u60a8\u7684\u5e94\u7528\u9009\u62e9\u5408\u9002\u7684\u6750\u6599\u3002<\/p>","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":[],"class_list":["post-861","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/861","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=861"}],"version-history":[{"count":5,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/861\/revisions"}],"predecessor-version":[{"id":901,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/861\/revisions\/901"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/media?parent=861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/categories?post=861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/tags?post=861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}