CN 7304 · iron steel
CN 7304 — Tubes, pipes and hollow profiles, seamless, of iron or steel
Seamless steel tubes and pipes, used in oil & gas, boilers, bearings and precision applications.
Precursors to ask your supplier about
- Billet (CN 7207) origin and emissions
- Alloy grade and route
Typical production routes
- Mannesmann (piercing) + rolling
- Extrusion