... and hot-air ducting systems.Available forms are seamless pipe, welded pipe, seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe fittings and ... contentASME SB-637, AMS 5669, AMS 5698, AMS 5699Pipe content Tube contentAMS 5582, AMS 5583Fittings content Forgings contentASME SB-637, AMS ...