S/R 90 Elbow We could produce according to the ASNE,ASTM,JIS,DIN standards. S/R 90 ElbowWe specialize in the carbon ... steel pipe and fittings, like 45deg,90deg,180deg,L/R or S/R bend, equalor ... reducing tee, CON reducer, ECC reducer, pipe cap, flange.Productselbows, reducers, tees, bends, caps, nipples and ...