... 8K, etc. 3. Technique: Welded Stainless steel tube pipe1. Material: SS304, 3162. Surface: Polish, sand polishing, 6K, 8K, etc. 3 ... good quality2. Surface: mirror, satin, HL, polish, etc3. Stainless steel tube pipe include: Round pipe, square pipe, rectangle ... goods before loadinggood quality of stainless steel tube pipe: ProductStainless steel tube pipe StandardASTM A554, A249, A269 and A270, A312, ...