iron-chromium
iron-chromium-aluminum
iron-chromium-nickel
iron-clad
iron-cobalt
iron-cobalt-molybdenum
iron-cobalt-nickel
iron-cobalt-tungsten
iron-containing
iron-free
  iron-gray
ironing
ironmaking
iron-manganese
iron-nickel
iron-nickel-aluminum
iron-nickel-chromium
iron-nickel-cobalt
iron-plated
ironwork
ironworker