... leading butt welded carbon steel stainless steel elbow from China Welding lineNo-seam Inside nomianal diameterDN250 ... control and service. Product/Service (We Sell):Elbow,tee,cross,flange,steel flange,large size flange, ... large size elbow,reducer,weldolet,coupling,steel pipe cap,seal head ... ,90deg,180deg,L/R OR S/R,bend ,equal or reducing tee, CON reducer, ECC reducer, ...