... grade: sch5s- sch xxs Product name ; 45 degree carbon steel elbow. 1) Sizes: 1/2"-48" 2) Pressure grade: sch5s- sch ... , threaded, union, nut 6) Packing : plywood pallet, case, and in bulk. 7) Application : Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction,etc ... , competitive price, punctual delivery and guaranteed quality 90 degree steel elbow