我司求購無縫碳鋼管出口，要求如下：

Black Seamless Pipes
SCH-40, ASTM A-53 Grade B, Type II,　plain ends,
Suitable for hot dipped galvanization

ASTM A-106 Grade B, Type I are also acceptable subject to following
requirements

*　　Suitable for hot-dipped galvanization (Si content)
*　　Minimum Tensile Strength (Mpa) 415
*　　Minimum Yield Strength (Mpa) 240
*　　Minimum Elongation (%) 21


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