... , alloy steel, stainless steel , seamless pipe, straight seam, spiral seam pipe.R Bend radius:3D≤R≤6000mm, (R=3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D ... )Bend Angle:15, 30, 45, 60, 90 ... as customer's requirementProducts show: ASME B16.5 carbon steel pipe bend/pipe fitting