carbon steel elbow sch80 1)Seamless and welded elbow 2)30 degree,45 degree,90degree,180 degree 3)L/R,S/R carbon steel elbow sch80 Product 1. Elbow1)Seamless and welded2)30 degree,45 degree,90degree,180 degree3)L/R,S/R2. Tee1)Straight tee and reducing tee2)Painted: black, varnish, antirust oil3)Wall thickness:Sch5-Sch160,xxsMaterial 1. Carbon steel:ASTM/ASME A234 WPB,WPC2. Alloy steel: ASTM/ASME ...