Item: stainless steel pipe Standard: JIS, ASTM, AISI, DIN OD: 6mm to 219mm WT: 3.5mm to 6mm Name: Stainless Steel pipeStandard: ASTM A554, A249, A269 ... %~4.5%),301(Ni 5%)304 (Ni 8%, Cr 18%),316 (Ni 10%, Cr 18%),316L (Ni10%~14%),OD: 6MM TO ... , 320G, 400G Satin / Hairline400G, 500G, 600G or 800G Mirror finish stainless steel pipe