AISI Stainless Steel 201 Pipe: 1.Size: 9.5mm-219mm 2.Thinkness: From 0.5mm ... 3.material in SS201, SS301, SS304,SS316 AISI Stainless Steel Pipe:1.Diameter: 6.5-219mm2. Thickness: 0.25mm to 3 ... or depend on cutomers request.8. Certificate: ISO9001-2000, Products quality certificate etc,9. it's good for house, building, shopping ... -20.5011. Relative pictures:12. Pack photos:13: Factory pictrue: Round pipe