SEAMLESS CARBON STEEL ELBOW Elbow,Tee,Reducer,FLANGE,Caps Size:1/2"-48" Acc.to GB/T12459/ASME SEAMLESS CARBON STEEL ELBOWSProfessional manufacturer of kinds of carbon steel,such ... , S235JRG2,C22.8,SS400,SF440A,A1052. Size:1/2"-40"3. Type:plate,slip-on,welding neck,threaded,socket weld,blind4 ... treatment:transparent/Yellow/Black anti-rust paint,tranparent oil Seamless carbon Steel Elbow