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["H支吊架", "WarW素钢材质的管道内介质温度等于或高于421℃时不宜采用焊接型支吊架?", "Es也不是绝对的的,高温管道的固定架肯定是要焊接的。但是焊接方式和材料要和和主管保持一致。" "5有变膨胀会会造成管道或支架局部变形" "

2019-04-03View Original

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为什么管内介质温度等于或高于400℃的碳素钢材质的管道不宜采用焊接型支吊架?
Reply #22019-04-03
也不是绝对的,高温管道的固定支架肯定是要焊接的。但是焊接方式和材料要和主管保持一致。
Reply #32019-04-07
有变膨胀,会造成管道或支架局部变形
Reply #42019-04-07
碳素钢钢管作为压力管道用材,其温度上限为425℃,许用应力下降很快。当采用焊接方式并作为支架,其局部应力相对较高,管道安全性减弱影响比较明显

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