... polish, high polished 3.Bullet End Plug,forged pipe fittings 1.Material : Stainless steel 304, 3162. ... polish, high polished3.Name:Bullet End Plug,forged pipe fittings4.specification:7/8'' Casting: investment casting ,precision ... ,machining ,pressure inspection up to 200bars ,mechanical values for tensile strength. ,yield stress ,notched bar impact tenacity ... 9001 2001 Bullet End Plug,pipe fitting