… Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron …
Explanatory notes
… 73.07 ‑ Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. … ‑ Other, of stainless steel : 7307.21 ‑ ‑ Flanges 7307.22 ‑ ‑ Threaded elbows, bends and sleeves …