... Material: SS304,SS316 4.Finish:Satin polish,#80, #18, #240, # 320 AISI 304 stainless steel pipe: 1.Diameter:8 ... 5mm.5. Material: SS201, SS301, SS304,SS304L. SS316, SS316L.6.Finish: Hairline satin,#80, #18, #240, # 320,# 400, ... inside or outside projects.stainless steel pipe:10: Please confirm the Stainless steel chemical ingredient ad bebow:Steel gradenationalstandardCSiMnPSNiCrN≤ ≤≤≤≤(Austenitic Type ...