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