HS Code Heading 7307

7307.11.00 Cast nonmalleable iron, fittings for tubes or pipes 7307.19.30 Cast ductile iron or steel, fittings for tubes or pipes 7307.19.90 Cast iron or steel, fittings for tubes or pipes, nesoi 7307.21.10 Stainless steel, flanges for tubes/pipes, forged, not machined, not tooled and not otherwise processed after forging 7307.21.50 Stainless steel, not cast, flanges for tubes/pipes, not forged or forged and machined, tooled and otherwise processed after forging 7307.22.10 Stainless steel, not cast, threaded sleeves (couplings) for tubes/pipes 7307.22.50 Stainless steel, not cast, threaded elbow and bends for tubes/pipes 7307.23.00 Stainless steel, not cast, butt welding fittings for tubes/pipes 7307.29.00 Stainless steel, not cast, fittings for tubes/pipes, nesoi 7307.91.10 Iron or nonalloy steel, flanges for tubes/pipes, forged, not machined, not tooled and not otherwise processed after forging 7307.91.30 Alloy steel (o/than stainless), not cast, flanges for tubes/pipes, forged, not machined/tooled and not otherwise processed after forging 7307.91.50 Iron or steel (o/than stainless), not cast, flanges for tubes/pipes, not forged or forged and machined, tooled & processed after forging 7307.92.30 Iron or steel (o/than stainless), not cast, threaded sleeves (couplings) for tubes/pipes 7307.92.90 Iron or steel (o/than stainless), not cast, threaded elbow and bends for tubes/pipes 7307.93.30 Iron or nonalloy steel, not cast, butt welding fittings for tubes/pipes, w/inside diam. less than 360mm 7307.93.60 Alloy steel (o/than stainless), not cast, butt welding fittings for tubes/pipes, w/inside diam. less than 360mm 7307.93.90 Iron or alloy steel (o/than stainless), not cast, butt welding fittings for tubes/pipes, w/inside diam. 360mm or more 7307.99.10 Iron or nonalloy steel, fittings for tubes/pipes, nesoi, forged, not machined, not tooled and not otherwise processed after forging 7307.99.30 Alloy steel (o/than stainless), fittings for tubes/pipes, nesoi, forged, not machined/tooled and not otherwise processed after forging 7307.99.50 Iron/steel (o/than stainless), n/cast, fittings for tubes/pipes, nesoi, not forged or forged and machined, tooled & processed after forging