stainless steel pipe 1,we use the first grade material in China ... mm 3. Surface: Satin, Grit, Polished, Matt Product:Stainless Steel Pipe / TubeGrade:304,316L, 430, 201, 202, 409LSpecifications:Lengthaccording to ... .2-3.0mm, or according to customer’s requirement.Standard :ASTM, GB, JIS, DIN, ASME, etc.Surface :Satin, Grit, Polished ... 70% before shipment)2. L / C 201,304,316 welded stainless steel pipe