High quality Alloy 20 pipes: 1.Forging products: round bar, flange, ball, seat ring, etc. 2.we ... requirement paint varnish coating,plastic caps and mark on the pipe,hexagon in bundle Applications rangeconstruction,chemical,gas,shipbuilding,metallurgy, Min Order ... 2.Anti-corrosion and high-temperature resistant SpecificationsAlloy 20 Forging products: round bar, flange, ball, seat ring, etc.Alloy 20 ...