a,304 Stainless steel composite pipe b,Diameter 102mm,Thickness 5.0mm c,Inner layer 4.5mm Q235, Outer layer 0.5mm SS304 304 Stainless steel pipe, Stainless steel composite pipe 1) Diameter 102mm, Total thickness 5.0mm, Length: 6000mm/pc.2) Outer layer 0.5mm SS304, Inner layer 4.5mm Q235.3) Finish Avaliable: PSS(Polished Stainless Steel) or SSS(Satin Stainless Steel) for your choice.4) The ...