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焊接钢管，dn600钢管壁厚外径是多少

2025-03-16 12:48:21

推荐回答（1个）

回答1：

dn800焊接钢管外径是820mm，一般外径820mm的元成焊接钢管壁厚在8-12mm之间工程常用到。
执行的是国标gb/5023。
焊接钢管是指用钢带或钢板弯曲变形为圆形、方形等形状后再焊接成的、表面有接缝的钢管。
焊接钢管采用的坯料是钢板或带钢。

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