... hot-air ducting systems. Available forms are seamless pipe, welded pipe, seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe fittings and flanges ... /Wire : ASME SB-637, AMS 5669, AMS 5698, AMS 5699 Tube : AMS 5582, AMS 5583 Forgings : ASME SB-637, AMS 5667 ...