... , SR), 45D(LR, SR), 180D... 2.specially deg are suppliedcarbon steel elbow1.Name: welded or seamless elbow2. Deg:15deg,30deg,45deg ... ,rust-proof oil,hot galv7. Application:Prtroleum, chemical, power, gas,metallurgy,construction Elbow, Carbon Steel fittings, 1. 90D(LR, SR), 45D(LR ... ,vanish paint,rust-proof oil,hot galv7. Application:Prtroleum, chemical, power, gas,metallurgy,construction steel elbows