Detailed Product Description steel pipe fittings1.variety: butt-welding, socket weld and thread fittings such as Elbows, Tees, Reducers, ... steel, copper nickel, titanium alloy, aluminum, cladding material etc.3.Applicable: petrochemical, petroleum, chemical, textile, paper plant ... metallurgy, foodstuff, machinery, pharmacy, construction, nuclear industry etc.4.standard:GB,SHJ,HGJ,HG,ANSI/ASME,JIS, ...