... 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 ... 200bars ,mechanical values for tensile strength. ,yield stress ,notched bar impact tenacity, x-ray,metallograph.Quality control: According to ISO ...