1)Standard:ASME,AISI,JIS,DIN,GB,BS (2)Size:seamless fittings,1/2"--24"(DN15--DN600);welded fittings,1/2"- ... 48"(DN15-DN1200) elbow s'features:(1)Standard:ASME,AISI,JIS,DIN,GB,BS(2)Size:seamless fittings,1/2"--24 ... , chemical industry, electric power,Shipping Industry and other pipe projects steel Equal Elbow