… Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. …
Explanatory notes
… 73.07 ‑ Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. … used for installing pipes and tubes but which do not form an integral part of the bore (e.g., hangers, stays and … heading therefore includes flat flanges and flanges with forged collars, elbows and bends and return bends, reducers, …