... 304, 316 2. mirror polish, high polished 3.Bullet End Plug,forged pipe fittings 1.Material : Stainless steel 304, 3162. ... Surface: mirror polish, high polished3.Name:Bullet End Plug,forged pipe fittings4.specification:7/8'' Casting: investment casting ,precision ... : stainless steel ,carbon steel ,alloy steel, heat resistant steel ,tool steel ,brass and aluminum ,according to DIN ,EN, ASTM, ...