... according to customers' requests)Polishing: 400#, 320#, 240#, 180#, 80# and hair lineTolerance: outer diameter a)±0.15mm b)Thickness: ±10% of ... wall thickness c)Length: ±4.8mm – 0mm welded and seamless tube and pipe 1)STD:A312,A213,A358,A376,A409.A789 ... :0.5-50mm3)Length:6m or as random4)Good price and short delivery. Application:machine made industry,chemical industry,spin,shipping ...