... ,90,180degree 5. ASME B16.9,JIS,DIN,GB 1.Name:elbow2.Size:1/2"-48"3.Wall thickness:sch10-160,STD4.Meatiral ... ,GB9.Application:Petroleum,chemical,power,gas,metallurgy,construction,etc10.Other:(1)anti-corrosion and high-tempreture resistant with black painting (2 ...