Patent ID: 11898216
Assignee: NIPPON STEEL CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 4:
5. The seamless steel pipe heat-treatment-finishing-treatment continuous facility according to claim 2 further comprising:
a sub-transfer mechanism disposed at a position downstream of the heat treatment apparatus and upstream of the steel pipe-bending straightening apparatus, connected to the heat treatment apparatus or to the main transfer mechanism, forming a sub-transfer path which is a transfer path different from the main transfer path, and including a plurality of transfer members for transferring the seamless steel pipe; and
a second forced steel pipe-temperature reduction apparatus configured to forcibly reduce a temperature of the seamless steel pipe on the sub-transfer path, the second forced steel pipe-temperature reduction apparatus being disposed on the sub-transfer path.