... direction pipe fitting-seamless,seamly seamless, buttweld fittings,elbow,tee,reducer,cap,bend,crossWe supply carbon steel pipe ... JIS,DIN. ETC.SIZE:1/2"---48"THICKNESS:STD,SCH40,SCH20,SCH60,SCH80,SCH100,S , CH120,SCH160,XS,XXS ... steel elbows are consist of butt weld,thread elbow.socket elbow and other series.the material is selected accoding ... volume when requried carbon steel astm L/R180 degree Elbow