... :butt welded leading butt welded carbon steel stainless steel elbow from China Welding lineNo-seam Inside nomianal diameterDN250-DN1600DN15-DN800Thickness2. ... attention to quality control and service. Product/Service (We Sell):Elbow,tee,cross,flange,steel flange,large size flange,large size ... pipe and fittings,like 45deg,90deg,180deg,L/R OR S/R,bend ,equal or reducing tee, CON reducer, ECC reducer ...