Stainless Steel Pipe 1.Material:300,200,400series 2.Standard:ASTM,GB, ... :14-1020mm Thickness:1.2-14mm Welded/seamless Stainless Steel Pipe Dimension,thickness,length,material, and so on, all of ... those can be customized as per your requests.Stainless steel pipe(seamless,welded)Size:OD:14-1020mm,Thickness:1.2- ... 316L,321,430 and so onStandard:ASTM,GB,JIS,DINSurface:2B,BA,No.1,No.4,No.8,8K,mirror,checkered ...