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D89x4的不锈钢管能承受多大压力

2025-04-08 05:22:59

推荐回答（1个）

回答1：

无缝钢管,外径89mm,壁厚4mm,按GB/T20801.3-2006:
厚度负偏差=12.50%,焊缝系数 E=1
如为20号钢许用应力：137MPa,腐蚀余量(mm) =2
最高耐压4.68MPa
如为304L钢许用应力：115MPa,腐蚀余量(mm) =0
最高耐压9.33MPa

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