... 3.OD:9.5mm~114mm or as customer request Stainless steel welded Tube;1.Diameter;9.5mm to 219mm2.Thickness; ... 2mm,WT;+-0.05mm,Lenght;+-5mm5.Material;SS201,SS301,SS304,SS304L,SS316,SS316L6.Finish;Hairline satin,80*,18*, 240*,320*,400 ... inside or outside projects.10.Please confirm the stainless steel chemical ingredient ad bebow;steel gradenationalstand ardCSiMnPSNiCrN(Austenitic Type) ocr-18NigCNGB0.07120 ...