1.Commodity: Steel pipe piles2.Specification:Executive Standard: ASTM A 252, ASTM A53, EN10217, DIN 2458, SY/T 5040,GJ/T 30223.Material: ASTM A53, SS400, Q195-235, Q345(A, B, C), 16Mn, L80, C90, C95, ... ...
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ERW Steel pipe, spiral pipe ...
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