carbon steel butt welded fittings: elbow45,90,180deg, pipe tee equal and reducing, reducers concentric and eccentric,steel caps, bend 3d,5d. size from 1/2inch to 24inch thickness:sch40,sch80,sch160, schxxs standard:strict as per astm/asme, din and jis. material:carbon steel wpb, wpc; alloy steel (p5, p11, p22), stainless steel (304,316). used in oil field, offshore,gasoline, water system, electrical factory,building construction. sent your enquiry to: gao(at)hengli-pipefittings.com msn:pipefittings01(at)hotmail.com google: hlpipefittings(at)gmail.com yahoo: markgao99(at)yahoo.com sky pe:hlpipefittings contact person: mark gao call 0086 139 3178 4612