... :butt welded leading butt welded carbon steel stainless steel elbow from China Welding lineNo-seam Inside nomianal diameterDN250-DN1600DN15- ... attention to quality 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,end ...