seamless steel tube gals Tubes assemblies for steam reformer and steam reformer, ... , hangers, outlet collectors, inlet and outlet manifolds, tube stanchions, convection coils, pigtails, tube sheets, tube supports, transfer lines, furnace hooks, T-pieces ... centrifugal casting, static casting, hole boring, welding Material High nickel and high chrome heat resistant alloys, cobalt base alloys, like HU ...