Commodity: ERW steel pipeSpecification:Executive Standard: ASTM, JIS, GB/T13793-1992, GB/T3091-2001, GB/T9711.1-1997,Material: ASTM A53, SS400, Q195-235, Q345(A, B, C), 16Mn, J55, K55, N80, L80, C90, ... ...
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ERW Steel pipe, spiral pipe ...
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