... 2) Pressure grade: sch5s- sch xxs Product name ; 45 degree carbon steel elbow. 1) Sizes: 1/2"-48" 2 ... clamp , threaded, union, nut 6) Packing : plywood pallet, case, and in bulk. 7) Application : Petroleum, chemical, power, gas, metallurgy ... , shipbuilding, construction,etc. and so on 10) Prompt quotation, competitive price, punctual delivery and guaranteed quality 90 degree steel elbow