Forged steel pipe fittings (socket welding, threaded) Type: elbow, tee, coupling, cap, cross, plug, bushing, weldolet/socketolet/threadolet, nipple, union, swage, stub-end. Dimension to ansi b16.11, mss-sp-97, mss-sp-95, bs3799, etc. Sizeú¦from 1/8" to 24" Material: carbon steel, alloy steel, stainless steel to astm a105, a350, a182, a694 st37-2, c22.8 Dimension to ansi b16.11, mss-sp-97, mss-sp-95, bs3799, etc.