{"id":1752,"date":"2026-10-24T10:36:41","date_gmt":"2026-10-24T05:06:41","guid":{"rendered":"https:\/\/cn.xtd-ss.com\/blog\/?p=1752"},"modified":"2026-10-26T10:41:37","modified_gmt":"2026-10-26T05:11:37","slug":"astm-a312-pipe-dimensions-schedules-wall-thickness","status":"publish","type":"post","link":"https:\/\/cn.xtd-ss.com\/blog\/astm-a312-pipe-dimensions-schedules-wall-thickness\/","title":{"rendered":"ASTM A312 \u7ba1\u9053\u5c3a\u5bf8\u3001\u58c1\u539a\u7b49\u7ea7\u53ca\u58c1\u539a\u8be6\u89e3"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div>\n<p class=\"wp-block-paragraph\">ASTM A312 \u6db5\u76d6\u7528\u4e8e\u9ad8\u6e29\u548c\u4e00\u822c\u8150\u8680\u6027\u5de5\u51b5\u7684\u65e0\u7f1d\u3001\u710a\u63a5\u53ca\u91cd\u5ea6\u51b7\u52a0\u5de5\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\u7ba1\u3002\u6bcf\u4e00\u4efd ASTM A312 \u4e0d\u9508\u94a2\u7ba1\u8ba2\u5355\u90fd\u57fa\u4e8e\u56db\u4e2a\u53c2\u6570\uff1a\u516c\u79f0\u7ba1\u5f84\u3001\u5916\u5f84\u3001\u7ba1\u8868\u53f7\uff08Schedule\uff09\u548c\u58c1\u539a\u3002\u672c\u6307\u5357\u5148\u8bf4\u660e\u8fd9\u4e9b\u5c3a\u5bf8\u53c2\u6570\u7684\u542b\u4e49\uff0c\u7136\u540e\u4ecb\u7ecd\u724c\u53f7\u3001\u89c4\u8303\u8981\u6c42\u3001\u5e94\u7528\u9886\u57df\u4ee5\u53ca\u91c7\u8d2d\u65f6\u9700\u8981\u6838\u5b9e\u7684\u8981\u70b9\u3002\u6b63\u5f0f\u540d\u79f0\u4e3a ASTM A312\uff0c\u4e1a\u5185\u5e38\u7528\u201cA312 \u7ba1\u201d\u4f5c\u4e3a\u6309\u8be5\u6807\u51c6\u751f\u4ea7\u7684\u94a2\u7ba1\u7684\u7b80\u79f0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4ec0\u4e48\u662f ASTM A312 \u4e0d\u9508\u94a2\u7ba1\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/cn.xtd-ss.com\/astm-a312-pipes.html\">ASTM A312 \u4e0d\u9508\u94a2\u7ba1<\/a>\u8986\u76d6 NPS 1\/8 \u81f3 NPS 30 \u7684\u89c4\u683c\u8303\u56f4\uff0c\u5176\u4f9d\u636e\u7684\u4ea7\u54c1\u6807\u51c6\u89c4\u5b9a\u4e86\u5316\u5b66\u6210\u5206\u3001\u70ed\u5904\u7406\u3001\u8bd5\u9a8c\u548c\u516c\u5dee\u8981\u6c42\u3002\u8fd9\u4e5f\u8bf4\u660e\u4e86 ASTM A312 \u7684\u542b\u4e49\uff1a\u5b83\u662f\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\u7ba1\u7684\u6750\u6599\u89c4\u8303\uff0c\u800c\u4e0d\u662f\u5c3a\u5bf8\u8868\u3002\u65e0\u7f1d\u7ba1\u6ca1\u6709\u710a\u7f1d\u3002\u710a\u63a5\u7ba1\u4ee5\u94a2\u5e26\u4e3a\u539f\u6599\uff0c\u91c7\u7528\u4e0d\u6dfb\u52a0\u586b\u5145\u91d1\u5c5e\u7684\u81ea\u52a8\u7eb5\u5411\u710a\u63a5\uff0c\u968f\u540e\u8fdb\u884c\u70ed\u5904\u7406\u3002\u91cd\u5ea6\u51b7\u52a0\u5de5\u7ba1\u5728\u6210\u5f62\u540e\u7ecf\u8fc7\u8f83\u5927\u7684\u51b7\u51cf\u91cf\uff0c\u968f\u540e\u6309\u7167 ASTM A312 \u9002\u7528\u7684\u4ea7\u54c1\u8981\u6c42\u8fdb\u884c\u70ed\u5904\u7406\u3002\u5e38\u7528\u724c\u53f7\u5305\u62ec <a href=\"https:\/\/cn.xtd-ss.com\/stainless-steel-304-seamless-pipe-tube.html\">304<\/a>\u3001<a href=\"https:\/\/cn.xtd-ss.com\/stainless-steel-304l-seamless-pipe-tube.html\">304L<\/a>\u3001<a href=\"https:\/\/cn.xtd-ss.com\/stainless-steel-316-seamless-pipe-tube.html\">316<\/a>\u3001<a href=\"https:\/\/cn.xtd-ss.com\/stainless-steel-316l-seamless-pipe-tube.html\">316L<\/a>\u3001<a href=\"https:\/\/cn.xtd-ss.com\/stainless-steel-321-seamless-pipe-tube.html\">321<\/a> \u548c <a href=\"https:\/\/cn.xtd-ss.com\/stainless-steel-347-seamless-pipe-tube.html\">347<\/a>\u3002304 \u548c 316 \u7528\u4e8e\u4e00\u822c\u5de5\u51b5\uff0cL \u7ea7\u724c\u53f7\u5c06\u78b3\u542b\u91cf\u4e0a\u9650\u964d\u81f3 0.035%\uff0c\u9002\u5408\u710a\u63a5\u5236\u9020\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>ASTM A312 \u94a2\u7ba1\u5c3a\u5bf8\u4e0e\u89c4\u683c<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u516c\u79f0\u7ba1\u5f84\uff08NPS\uff09\u7528\u4e8e\u6807\u8bc6\u94a2\u7ba1\uff0c\u5916\u5f84\uff08OD\uff09\u5219\u662f\u94a2\u7ba1\u7684\u5b9e\u9645\u5c3a\u5bf8\u3002NPS 2 \u94a2\u7ba1\u7684\u5916\u5f84\u4e3a 60.3 mm\u3002\u540c\u4e00 NPS \u7684\u5916\u5f84\u5728\u5404\u7ba1\u8868\u53f7\u4e0b\u4fdd\u6301\u4e0d\u53d8\uff0c\u56e0\u6b64\u58c1\u539a\u8d8a\u5927\uff0c\u5185\u5f84\uff08ID\uff09\u8d8a\u5c0f\u3002\u5185\u5f84\u7b49\u4e8e\u5916\u5f84\u51cf\u53bb\u4e24\u500d\u58c1\u539a\u3002\u5236\u9020\u5546\u53ef\u63d0\u4f9b\u968f\u673a\u957f\u5ea6\u6216\u6309\u8ba2\u5355\u5b9a\u5c3a\u5207\u5272\u7684\u957f\u5ea6\uff0c\u56e0\u6b64\u8be2\u4ef7\u65f6\u5e94\u786e\u8ba4\u6240\u9700\u957f\u5ea6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>NPS<\/strong><\/td><td><strong>DN<\/strong><\/td><td><strong>\u5916\u5f84 (mm)<\/strong><\/td><td><strong>\u5916\u5f84 (\u82f1\u5bf8)<\/strong><\/td><\/tr><tr><td>1\/2<\/td><td>15<\/td><td>21.3<\/td><td>0.840<\/td><\/tr><tr><td>1<\/td><td>25<\/td><td>33.4<\/td><td>1.315<\/td><\/tr><tr><td>2<\/td><td>50<\/td><td>60.3<\/td><td>2.375<\/td><\/tr><tr><td>4<\/td><td>100<\/td><td>114.3<\/td><td>4.500<\/td><\/tr><tr><td>6<\/td><td>150<\/td><td>168.3<\/td><td>6.625<\/td><\/tr><tr><td>8<\/td><td>200<\/td><td>219.1<\/td><td>8.625<\/td><\/tr><tr><td>12<\/td><td>300<\/td><td>323.9<\/td><td>12.750<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>ASTM A312 \u94a2\u7ba1\u7684\u7ba1\u8868\u53f7\u4e0e\u58c1\u539a<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ba1\u8868\u53f7\u662f\u5c06\u58c1\u539a\u4e0e\u7ba1\u5f84\u5bf9\u5e94\u8d77\u6765\u7684\u6570\u5b57\u4ee3\u53f7\u3002\u4e0d\u9508\u94a2\u7ba1\u91c7\u7528 ASME B36.19M \u4e2d\u5e26 S \u540e\u7f00\u7684\u7cfb\u5217\uff0c\u5e38\u7528\u7ba1\u8868\u53f7\u4e3a 10S\u300140S \u548c 80S\u3002\u4ee5 NPS 4 \u4e3a\u4f8b\uff1a10S \u58c1\u539a\u4e3a 3.05 mm\uff0c40S \u4e3a 6.02 mm\uff0c80S \u4e3a 8.56 mm\u3002NPS 2 \u4e5f\u9075\u5faa\u540c\u6837\u7684\u89c4\u5f8b\uff1a\u58c1\u539a\u4ece 10S \u7684 2.77 mm \u589e\u52a0\u5230 80S \u7684 5.54 mm\uff0c\u58c1\u539a\u7ffb\u500d\uff0c\u5185\u5f84\u4ece 54.8 mm \u51cf\u5c0f\u5230 49.2 mm\u3002\u7ba1\u8868\u53f7\u8d8a\u5927\uff0c\u627f\u538b\u80fd\u529b\u548c\u91cd\u91cf\u8d8a\u9ad8\uff0c\u540c\u65f6\u5185\u5f84\u51cf\u5c0f\u3001\u6d41\u901a\u9762\u79ef\u51cf\u5c11\u3001\u538b\u529b\u635f\u5931\u589e\u52a0\u3002\u5e94\u6839\u636e\u8bbe\u8ba1\u538b\u529b\u3001\u8bbe\u8ba1\u6e29\u5ea6\u3001\u8150\u8680\u88d5\u91cf\u4ee5\u53ca\u9002\u7528\u7ba1\u9053\u89c4\u8303\u8ba1\u7b97\u51fa\u7684\u58c1\u539a\u6765\u9009\u62e9\u7ba1\u8868\u53f7\u3002\u5f53\u4e24\u4e2a\u7ba1\u8868\u53f7\u90fd\u6ee1\u8db3\u8ba1\u7b97\u8981\u6c42\u65f6\uff0c\u9009\u62e9\u8f83\u8f7b\u7684\u7ba1\u8868\u53f7\u53ef\u964d\u4f4e\u6210\u672c\u548c\u91cd\u91cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>ASTM A312 \u4e0d\u9508\u94a2\u7ba1\u5c3a\u5bf8\u8868<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u8868\u5217\u51fa\u4e86\u4e94\u79cd\u5e38\u7528\u89c4\u683c\u5728 10S\u300140S \u548c 80S \u7ba1\u8868\u53f7\u4e0b\u7684\u5916\u5f84\u3001\u58c1\u539a\u548c\u8fd1\u4f3c\u5185\u5f84\uff08\u5355\u4f4d\uff1amm\uff09\u3002<a href=\"https:\/\/cn.xtd-ss.com\/pipe-size-chart.html\">ASME B36.10M \u548c ASME B36.19M \u94a2\u7ba1\u5c3a\u5bf8\u8868<\/a>\u6536\u5f55\u4e86\u5176\u4ed6\u6240\u6709\u89c4\u683c\u548c\u7ba1\u8868\u53f7\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>NPS<\/strong><\/td><td><strong>\u5916\u5f84 (mm)<\/strong><\/td><td><strong>\u7ba1\u8868\u53f7<\/strong><\/td><td><strong>\u58c1\u539a (mm)<\/strong><\/td><td><strong>\u8fd1\u4f3c\u5185\u5f84 (mm)<\/strong><\/td><\/tr><tr><td>1\/2<\/td><td>21.3<\/td><td>10S<\/td><td>2.11<\/td><td>17.1<\/td><\/tr><tr><td>1\/2<\/td><td>21.3<\/td><td>40S<\/td><td>2.77<\/td><td>15.8<\/td><\/tr><tr><td>1\/2<\/td><td>21.3<\/td><td>80S<\/td><td>3.73<\/td><td>13.8<\/td><\/tr><tr><td>1<\/td><td>33.4<\/td><td>10S<\/td><td>2.77<\/td><td>27.9<\/td><\/tr><tr><td>1<\/td><td>33.4<\/td><td>40S<\/td><td>3.38<\/td><td>26.6<\/td><\/tr><tr><td>1<\/td><td>33.4<\/td><td>80S<\/td><td>4.55<\/td><td>24.3<\/td><\/tr><tr><td>2<\/td><td>60.3<\/td><td>10S<\/td><td>2.77<\/td><td>54.8<\/td><\/tr><tr><td>2<\/td><td>60.3<\/td><td>40S<\/td><td>3.91<\/td><td>52.5<\/td><\/tr><tr><td>2<\/td><td>60.3<\/td><td>80S<\/td><td>5.54<\/td><td>49.2<\/td><\/tr><tr><td>4<\/td><td>114.3<\/td><td>10S<\/td><td>3.05<\/td><td>108.2<\/td><\/tr><tr><td>4<\/td><td>114.3<\/td><td>40S<\/td><td>6.02<\/td><td>102.3<\/td><\/tr><tr><td>4<\/td><td>114.3<\/td><td>80S<\/td><td>8.56<\/td><td>97.2<\/td><\/tr><tr><td>6<\/td><td>168.3<\/td><td>10S<\/td><td>3.40<\/td><td>161.5<\/td><\/tr><tr><td>6<\/td><td>168.3<\/td><td>40S<\/td><td>7.11<\/td><td>154.1<\/td><\/tr><tr><td>6<\/td><td>168.3<\/td><td>80S<\/td><td>10.97<\/td><td>146.4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>ASTM A312 \u89c4\u8303\u4e0e\u6807\u51c6<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM A312 \u89c4\u8303\u5728\u516d\u4e2a\u65b9\u9762\u89c4\u5b9a\u4e86\u8981\u6c42\u3002\u6750\u6599\u8981\u6c42\u6db5\u76d6\u6240\u5217\u7684\u5965\u6c0f\u4f53\u724c\u53f7\u3002\u5316\u5b66\u6210\u5206\u9650\u503c\u56e0\u724c\u53f7\u800c\u5f02\uff1a304 \u7684\u78b3\u542b\u91cf\u4e0a\u9650\u4e3a 0.08%\uff0c304L \u4e3a 0.035%\u3002\u529b\u5b66\u6027\u80fd\u89c4\u5b9a\u4e86\u6700\u4f4e\u5f3a\u5ea6\u503c\uff0c304 \u7684\u6297\u62c9\u5f3a\u5ea6\u4e3a 515 MPa\u3001\u5c48\u670d\u5f3a\u5ea6\u4e3a 205 MPa\uff0c304L \u5206\u522b\u4e3a 485 MPa \u548c 170 MPa\u3002\u70ed\u5904\u7406\u8981\u6c42\u56e0\u724c\u53f7\u548c\u4ea7\u54c1\u72b6\u6001\u800c\u5f02\uff0c\u987b\u7b26\u5408 ASTM A312 \u7684\u9002\u7528\u8981\u6c42\u3002\u8bd5\u9a8c\u5305\u62ec\u62c9\u4f38\u8bd5\u9a8c\u3001\u710a\u63a5\u7ba1\u7684\u538b\u6241\u8bd5\u9a8c\uff0c\u4ee5\u53ca\u5bf9\u6bcf\u6839\u94a2\u7ba1\u8fdb\u884c\u7684\u9759\u6c34\u538b\u8bd5\u9a8c\u6216\u65e0\u635f\u7535\u68c0\u6d4b\u3002\u5c3a\u5bf8\u89c4\u5b9a\u5141\u8bb8\u58c1\u539a\u6bd4\u516c\u79f0\u503c\u6700\u591a\u4f4e 12.5%\u3002ASME B36.19M \u63d0\u4f9b ASTM A312 \u6240\u5f15\u7528\u7684\u516c\u79f0\u5c3a\u5bf8\u548c\u7ba1\u8868\u53f7\u58c1\u539a\uff0c\u56e0\u6b64\u4e24\u4efd\u6587\u4ef6\u914d\u5408\u4f7f\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>ASTM A312 \u94a2\u7ba1\u7684\u5e38\u89c1\u5e94\u7528<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM A312 \u4e0d\u9508\u94a2\u7ba1\u51ed\u501f\u53ef\u9760\u7684\u8010\u8150\u8680\u6027\u548c\u9ad8\u6e29\u5f3a\u5ea6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u7c7b\u6d41\u7a0b\u5de5\u4e1a\u3002\u724c\u53f7\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u4f7f\u7528\u6e29\u5ea6\u3001\u4ecb\u8d28\u7684\u5316\u5b66\u6210\u5206\u4ee5\u53ca\u8868\u9762\u5149\u6d01\u5ea6\u8981\u6c42\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5316\u5de5\u88c5\u7f6e\uff1a<\/strong>316L \u7ba1\u7528\u4e8e\u5f3a\u9178\u548c\u542b\u6c2f\u5316\u7269\u4ecb\u8d28\u3002<\/li>\n\n\n\n<li><strong>\u77f3\u6cb9\u3001\u5929\u7136\u6c14\u4e0e\u77f3\u5316\uff1a<\/strong>321 \u548c 347 \u7528\u4e8e 425 \u00b0C \u5de5\u51b5\u7ba1\u7ebf\uff0c\u4ee5\u9632\u6b62\u6676\u95f4\u8150\u8680\u3002<\/li>\n\n\n\n<li><strong>\u53d1\u7535\uff1a<\/strong>\u9ad8\u78b3 304H \u548c 347H \u96c6\u7bb1\u5177\u6709\u66f4\u9ad8\u7684\u957f\u671f\u6297\u8815\u53d8\u5f3a\u5ea6\u3002<\/li>\n\n\n\n<li><strong>\u98df\u54c1\u4e0e\u5236\u836f\uff1a<\/strong>\u5185\u58c1\u629b\u5149\u7684 316L \u53ef\u83b7\u5f97\u6e05\u6d01\u3001\u5149\u6ed1\u3001\u536b\u751f\u7684\u8868\u9762\u3002<\/li>\n\n\n\n<li><strong>\u6c34\u53ca\u4e00\u822c\u5de5\u827a\u7ba1\u7ebf\uff1a<\/strong>304 \u548c 304L \u5728\u4e2d\u7b49\u5de5\u51b5\u4e0b\u5177\u6709\u826f\u597d\u7684\u7ecf\u6d4e\u6027\u3002<\/li>\n\n\n\n<li><strong>\u91cd\u5de5\u4e1a\u8bbe\u65bd\uff1a<\/strong>A312 \u7ba1\u7528\u4e8e\u5316\u80a5\u5382\u3001\u5236\u6d46\u9020\u7eb8\u5382\u548c\u6d77\u6c34\u6de1\u5316\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u91c7\u8d2d ASTM A312 \u94a2\u7ba1\u65f6\u5e94\u8003\u8651\u54ea\u4e9b\u56e0\u7d20\uff1f<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u786e\u8ba4\u724c\u53f7\uff0c\u56e0\u4e3a\u8150\u8680\u73af\u5883\u51b3\u5b9a\u4e86\u9700\u8981 304L\u3001316L \u8fd8\u662f 321\u3002\u5176\u6b21\u6838\u5bf9 NPS \u548c\u5c3a\u5bf8\u3002\u7136\u540e\u6839\u636e\u6570\u636e\u8868\u4e2d\u7684\u538b\u529b\u548c\u6e29\u5ea6\u786e\u5b9a\u7ba1\u8868\u53f7\u548c\u58c1\u539a\u3002\u518d\u5728\u65e0\u7f1d\u7ba1\u548c\u710a\u63a5\u7ba1\u4e4b\u95f4\u505a\u51fa\u9009\u62e9\u3002\u5728\u91c7\u8d2d ASTM A312 \u65e0\u7f1d\u7ba1\u6216\u710a\u63a5\u7ba1\u4e4b\u524d\uff0c\u52a1\u5fc5\u67e5\u9605 ASME B31.3 \u4e2d\u6709\u5173\u7ed3\u6784\u548c\u710a\u7f1d\u68c0\u9a8c\u7684\u89c4\u5b9a\u3002\u5236\u9020\u65b9\u5f0f\u548c\u68c0\u9a8c\u6807\u51c6\u51b3\u5b9a\u4e86\u58c1\u539a\u8ba1\u7b97\u4e2d\u6240\u7528\u7684\u8d28\u91cf\u7cfb\u6570\u3002\u6700\u540e\uff0c\u5728\u4e0b\u5355\u524d\u786e\u8ba4\u4f9b\u5e94\u5546\u7684\u724c\u53f7\u8303\u56f4\u3001\u5e93\u5b58\u548c\u4ea4\u8d27\u671f\u3002<a href=\"https:\/\/cn.xtd-ss.com\/who-we-are.html\">\u6d59\u6c5f\u946b\u901a\u8fbe\u7279\u79cd\u94a2\u5236\u9020\u6709\u9650\u516c\u53f8<\/a>\u5236\u9020\u5e76\u4f9b\u5e94 ASTM A312 \u4e0d\u9508\u94a2\u65e0\u7f1d\u7ba1\uff0c\u724c\u53f7\u5305\u62ec 304\u3001304L\u3001316\u3001316L\u3001321\u3001347\u3001904L \u548c 254 SMO\u3002\u6211\u4eec\u53ef\u4ee5\u534f\u52a9\u91c7\u8d2d\u65b9\u6838\u5bf9 NPS\u3001\u7ba1\u8868\u53f7\u3001\u58c1\u539a\u3001\u8bd5\u9a8c\u548c\u6750\u6599\u8981\u6c42\uff0c\u5e2e\u52a9\u60a8\u9009\u62e9\u9002\u5408\u5e94\u7528\u7684\u94a2\u7ba1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ASTM A312 \u6db5\u76d6\u7528\u4e8e\u9ad8\u6e29\u548c\u4e00\u822c\u8150\u8680\u6027\u5de5\u51b5\u7684\u65e0\u7f1d\u3001\u710a\u63a5\u53ca\u91cd\u5ea6\u51b7\u52a0\u5de5\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\u7ba1\u3002\u6bcf\u4e00\u4efd ASTM A312 \u4e0d\u9508\u94a2\u7ba1\u8ba2\u5355\u90fd\u57fa\u4e8e\u56db\u4e2a\u53c2\u6570\uff1a\u516c\u79f0\u7ba1\u5f84\u3001\u5916\u5f84\u3001\u7ba1\u8868\u53f7\uff08Schedule\uff09\u548c\u58c1\u539a\u3002\u672c\u6307\u5357\u5148\u8bf4\u660e\u8fd9\u4e9b\u5c3a\u5bf8\u53c2\u6570\u7684\u542b\u4e49\uff0c\u7136\u540e\u4ecb\u7ecd\u724c\u53f7\u3001\u89c4\u8303\u8981\u6c42\u3001\u5e94\u7528\u9886\u57df\u4ee5\u53ca\u91c7\u8d2d\u65f6\u9700\u8981\u6838\u5b9e\u7684\u8981\u70b9\u3002\u6b63\u5f0f\u540d\u79f0\u4e3a ASTM A312\uff0c\u4e1a\u5185\u5e38\u7528\u201cA312 \u7ba1\u201d\u4f5c\u4e3a\u6309\u8be5\u6807\u51c6\u751f\u4ea7\u7684\u94a2\u7ba1\u7684\u7b80\u79f0\u3002 \u4ec0\u4e48\u662f ASTM A312 \u4e0d\u9508\u94a2\u7ba1\uff1f ASTM A312 \u4e0d\u9508\u94a2\u7ba1\u8986\u76d6 NPS 1\/8 \u81f3 NPS 30 \u7684\u89c4\u683c\u8303\u56f4\uff0c\u5176\u4f9d\u636e\u7684\u4ea7\u54c1\u6807\u51c6\u89c4\u5b9a\u4e86\u5316\u5b66\u6210\u5206\u3001\u70ed\u5904\u7406\u3001\u8bd5\u9a8c\u548c\u516c\u5dee\u8981\u6c42\u3002\u8fd9\u4e5f\u8bf4\u660e\u4e86 ASTM A312 \u7684\u542b\u4e49\uff1a\u5b83\u662f\u5965\u6c0f\u4f53\u4e0d\u9508\u94a2\u7ba1\u7684\u6750\u6599\u89c4\u8303\uff0c\u800c\u4e0d\u662f\u5c3a\u5bf8\u8868\u3002\u65e0\u7f1d\u7ba1\u6ca1\u6709\u710a\u7f1d\u3002\u710a\u63a5\u7ba1\u4ee5\u94a2\u5e26\u4e3a\u539f\u6599\uff0c\u91c7\u7528\u4e0d\u6dfb\u52a0\u586b\u5145\u91d1\u5c5e\u7684\u81ea\u52a8\u7eb5\u5411\u710a\u63a5\uff0c\u968f\u540e\u8fdb\u884c\u70ed\u5904\u7406\u3002\u91cd\u5ea6\u51b7\u52a0\u5de5\u7ba1\u5728\u6210\u5f62\u540e\u7ecf\u8fc7\u8f83\u5927\u7684\u51b7\u51cf\u91cf\uff0c\u968f\u540e\u6309\u7167 ASTM A312 \u9002\u7528\u7684\u4ea7\u54c1\u8981\u6c42\u8fdb\u884c\u70ed\u5904\u7406\u3002\u5e38\u7528\u724c\u53f7\u5305\u62ec 304\u3001304L\u3001316\u3001316L\u3001321 \u548c 347\u3002304 \u548c 316 \u7528\u4e8e\u4e00\u822c\u5de5\u51b5\uff0cL \u7ea7\u724c\u53f7\u5c06\u78b3\u542b\u91cf\u4e0a\u9650\u964d\u81f3 0.035%\uff0c\u9002\u5408\u710a\u63a5\u5236\u9020\u3002 ASTM A312 \u94a2\u7ba1\u5c3a\u5bf8\u4e0e\u89c4\u683c \u516c\u79f0\u7ba1\u5f84\uff08NPS\uff09\u7528\u4e8e\u6807\u8bc6\u94a2\u7ba1\uff0c\u5916\u5f84\uff08OD\uff09\u5219\u662f\u94a2\u7ba1\u7684\u5b9e\u9645\u5c3a\u5bf8\u3002NPS 2 \u94a2\u7ba1\u7684\u5916\u5f84\u4e3a 60.3 mm\u3002\u540c\u4e00 NPS \u7684\u5916\u5f84\u5728\u5404\u7ba1\u8868\u53f7\u4e0b\u4fdd\u6301\u4e0d\u53d8\uff0c\u56e0\u6b64\u58c1\u539a\u8d8a\u5927\uff0c\u5185\u5f84\uff08ID\uff09\u8d8a\u5c0f\u3002\u5185\u5f84\u7b49\u4e8e\u5916\u5f84\u51cf\u53bb\u4e24\u500d\u58c1\u539a\u3002\u5236\u9020\u5546\u53ef\u63d0\u4f9b\u968f\u673a\u957f\u5ea6\u6216\u6309\u8ba2\u5355\u5b9a\u5c3a\u5207\u5272\u7684\u957f\u5ea6\uff0c\u56e0\u6b64\u8be2\u4ef7\u65f6\u5e94\u786e\u8ba4\u6240\u9700\u957f\u5ea6\u3002 NPS DN \u5916\u5f84 (mm) \u5916\u5f84 (\u82f1\u5bf8) 1\/2 15 21.3 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