ss 201 pipe Thickness:0.2~3mm diameter:6.8~38mm ... -38mmLengthas customer's requirementFinish2B,BA,HL,MIRROR,NO.1-NO.4,8K,and so on.StandardASME, ASTM, EN ,BS,GB,DIN ... .Chemical tank, pipe 10.chemcial composition QualityCopperNICUApplicationPURE DDQ High1%1.4%Sink, Deep drawing productDDQMiddle1%1%Pot, Bowlnon-DDQLow0.5%0 ...