Cangzhou Honda Pipe Bend Co.,Ltd Material: seamless steel elbow Material:carbon steel,alloy steel,stainless steel Bending Radius (R): R=0.5D 0.8D 1D 1.5D 2D 3D 4D 5D 6D 7D 8D 9D 10D Bending Angle:15o 30o 45o 60o 90o 135o 180o, also could manufacture according to the angles given by the clients. Straight Length(L): The length between two ends general from 300mm-1500mm, and also can produce according to the clients requirements. Outer Diameter (D): Up to D1620mm Thickness(T): Up to T120mm End Bevel: According to the bevel of welding pipe fittings construction.