... .5mm-4mm 4.Surface :No.1/2B 1. Name: Stainless Steel Tube welded2.Standard: JIS, GB, DIN, ASTM, EN, AISI3.Materials ... , 180#, 320#, 400#, 600#, HL, Mirror, satin, bright,etc.6.Packaging: each in a plastic bag, several in weaving bag7.Application ... , medicine, etc.8.Best products+best price+best servive Stainless Steel Industrial pipes for export