... , 316 2. mirror polish, 3.Stainless Steel Handle,door handle,stainless steel square door handles 1.Material : Stainless steel 304, 3162. Surface: ... carbon steel ,alloy steel, heat resistant steel ,tool steel ,brass and aluminum ,according to DIN ,EN, ASTM, BS,JCSI.3. Piece ... numbers: small, medium and large series.4. Process: cast, machining, turning, milling, drilling, ...