... A554, A312, A269, A249 &A270 Usage: construct 1.Name: Stainless Steel Tube welded2.Standard: JIS, GB, DIN, ASTM, EN, AISI3.Materials ... , 430, etc.4.Size: OD 6.0-219mm*0.25-3.0mm, Other specifications are welcome from your request.5.Finishing ... , medicine, etc.8.Best products+best price+best servive Stailess Steel Pipes of Decorative