... pipe fitting-seamless,seamly seamless, buttweld fittings,elbow,tee,reducer,cap,bend,crossWe supply carbon steel ... 48"THICKNESS:STD,SCH40,SCH20,SCH60,SCH80,SCH100,S , CH120,SCH160,XS,XXS,SGP, ETC.carbon ... thread conection according to use requirementsCarbon steel elbow is used to be installed between two ... elbows are consist of butt weld,thread elbow.socket elbow and other series.the material is selected ...