英制尺寸:英寸
管子外径 |
公称壁厚 |
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1/8﹙3.175mm﹚ |
0.028” ﹙0.71 mm﹚ |
0.035” ﹙0.89 mm﹚ |
0.049” ﹙mm 1.24﹚ |
0.065” ﹙1.65 mm﹚ |
0.095” ﹙2.41 mm﹚ |
3/16”﹙4.76 mm﹚ |
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1/4”﹙6.35 mm﹚ |
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5/16”﹙7.94 mm﹚ |
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3/8”﹙9.525 mm﹚ |
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1/2”﹙12.7 mm﹚ |
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5/8”﹙15.87 mm﹚ |
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1”﹙25.4 mm﹚ |
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1-1/2”﹙38.1 mm﹚ |
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备注:钢管外径和璧厚可按ANSI 、 ASTM公称管标准