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Api spEC 5l

最新版是45版 API Spec 5L:2012

是碳钢

美标钢管中ASTM A53 Gr.B一般用途无缝钢管,ASTM A106/A53 Gr.B倒角的倒棱的倒坡口的钢管, Bs1387-1985 英标erw高频焊管和镀锌管, ASTM A333 -40℃-101℃低温无缝钢管.,ASTM A179换热器及冷凝器用无缝钢管. 钢管长度:可5.8米定尺,6米定尺,以...

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