... 1)our company We are the leading professional manufacturer of Carbon Steel, Alloy Steel Butt Welded Pipe Fittings (from 1/2 inch ... products90 degree sch40 stainless steel elbow1. Stainless Steel Elbow 2. Material:WPB A234,201,301, 304,304L,316,316L,321 and so on.3 ... 6. Wall thickness:SCH5S-SCHXXS7. Used for : petroleum,chemical,power,gas,water,linepipe, heat exchanger,shipbuilding,construction,etc.8. ...