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zhengzhou zhonghai material co.,ltd

E RW Pipe OD73.0mm~OD630mm ncluding Material :J55 Seamless Pipe?OD6.0mm~OD630mm LSA W Pipe?OD355.6mm~OD1524.0mm SSA W Pipe?OD219.0mm~OD2100.0mm Square Tube?100x100 ~300x300mm Rectangular Tube?75x125~ 250x350mm Standard ?API *STM*S IS IN SO BY Material ?Carbon Steel how Alloy Steel 55 inepipe:Gr.B42465256606570 Length ?6~12M Cold-bendprofiled bar?Spread Width:350-1050mm(Thickness:3.5-10.0mm)