stainless steel railing tube 1.OD: 6mm to 127mm 2.Wall thickness: 0. ... to 2.5mm 3.Material: 201,304,316,410,430ect stainless steel railing tube description: 1) Standard: JIS, AISI, ASTM, DIN2) Outside diameter ... instruments, household appliances chemical equipment, architecture, building and construction, auto parts ect.7) Packing: every tube is sleeved in plastic bag ...