... ) Standard: JIS, AISI, ASTM, DIN2) Outside diameter: 6mm to 127mm 3) Wall thickness: 0.4mm - 2.5mm 4) Material: 201,202 ... ,321,316,316L,4305) Surface: mirror polish, satin finish6) Application: for railing system7) Packing:every tube is sleeved in plastic bag ...