... the way and guide the development of product technolog orientation. 90 degree seamless elbow Size1/2"- 72"Wall thicknessSch 10- ... , DIN , EN,MaterialCarbon steel, alloy steel, stainless steel ConnectionButt-welding,forged fittingApplications rangsuch as oil, chemical industry, water conservancy, electric ... Delivery time20 days after conformedProductivity50000 tons per year 90 degree seamless elbow