... flange,large size elbow,reducer,weldolet,coupling,steel pipe cap,seal head,end cap,concentric reducer,eccentric reducer,steel pipe,pipe fitting ... ,bend ,equal or reducing tee, CON reducer, ECC reducer, pipe cap,flange. CON AND ECC REDUCER: CARBON STEEL,STAINLESS,STELL,ALLOY ... made under the ISO 9001:2000 strictly. carbon steel elbow 73*6