... mirror polish, high polished 3.Bullet End Plug,forged pipe fittings 1.Material : Stainless steel 304, 3162. Surface: ... polish, high polished3.Name:Bullet End Plug,forged pipe fittings4.specification:7/8'' Casting: investment casting ,precision casting, lost ... measuring ,machining ,pressure inspection up to 200bars ,mechanical values for tensile strength. ,yield stress ,notched bar impact tenacity, ...