High quality Alloy 20 pipes: 1.Forging products: round bar, flange, ball, ... . 2.we manufacture superior steel pipe Application: Valve, heat exchanger, turbine, et...Shape: rod, disc, tube, and various partsMaterial: Nickel base ... mark on the pipe,hexagon in bundle Applications rangeconstruction,chemical,gas,shipbuilding,metallurgy, Min Order Quantity20Kilograms Delivery Time15-30days prompt delivery ...