规格

A外径：6-508mm

B壁厚：0.5-25mm

C长度：最大20米

D公称直径：1/8″ to 20”

E壁厚等级：Sch 5/5S, 10/10S, 20, 30, 40/40S, 60, 80/80S, 100, 120, 140, 160, STD, XS, XXS