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wpb是什么材质
更新时间： 2020-12-01 13:47:25  

碳钢及合金材质。Wpb是美国标准管件材质，一般为碳钢j及合金钢材质，其中W为采用对焊接方式，P为管子、管件，B为B级碳钢管子，而它是通过高温用锻制碳钢及合金钢管道配件，化学成分为C≤0.03、 Mn=0.29~1.06、P≤0.05、S≤0.058、Si≥0.10、Cr≤0.40、Mo≤0.15、Ni≤0.40、Cu≤0.40、V≤0.08。，用于碳钢弯头、三通、异径管、管帽、弯管等产品，Wpb是A234标准牌号之一，还包含了WP5、WP9、WP11、WP12、WP22、WP91等碳钢及合金钢牌号。

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