ERW steel pipes Jan. 8, 2010 19:45:45
Carbon steel pipes include seamless steel pipe and welded steel pipe. ( ERW steel pipe, LSAW steel pipe, SSAW steel pipe)
Materials : ASTM A106 GR.B, 20# , API 5L X42, X52, X56, X60, X65, X70
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See more »We are producing carbon steel pipes , alloy steel pipes for wanter serivce, oil transmission and gas transmission.
Materials : ASTM A106 GR.B, 20# , ASTM A335 P1, P5, P7, P9P, P11, P12, P22, API....