ERW tube pipe hollow section 1, export grade 2, over ... reputation is our principle and mission.ERW tube pipe hollow section Product NameHollow section ERW Steel PipeSizeSquare Tube ... 12mSteel GradeQ195-Q235,Q345,Q390,16MnStandardASTM, DIN,GBUsageUsed For Structure, Automotive,Machinery,Airport, Railway And Construction and so ... ': aBigImageSrc } ); } )(); export MS square and rectangular ERW tube pipe