1. size: 1/2"-72" 2.w.t.: SCH10-SCH160,SGP,STD, ... ,GOST 4. the most co pipe fitting elbow 45D(LR, SR), 90D(SR, LR), 180DMaterial: carbon steel, alloy steelStandard: ANSI, JIS, DIN ... , smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, water supply pipe steel elbow