Title:
DEVICE FOR ESTIMATING INTERNAL OXIDATION STARTING TEMPERATURE, DEVICE FOR ESTIMATING INTERNAL OXIDATION LAYER THICKNESS, METHOD FOR ESTIMATING INTERNAL OXIDATION STARTING TEMPERATURE, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/097636
Kind Code:
A1
Abstract:
This device for estimating an internal oxidation starting temperature estimates an internal oxidation starting temperature, which is the lowest temperature required to grow an internal oxidation layer at the surface of a hot-rolled steel sheet containing an easily oxidizable element including at least one of Si, Mn, and Al. This device for estimating an internal oxidation starting temperature is characterized by being provided with an internal oxidation starting temperature estimation unit for estimating an internal oxidation starting temperature on the basis of the concentration of Si, Mn, and Al contained in a hot-rolled steel sheet containing an easily oxidizable element.
Inventors:
IKEDA KEITA (JP)
AKASHI TOORU (JP)
KONDO YASUMITSU (JP)
AKASHI TOORU (JP)
KONDO YASUMITSU (JP)
Application Number:
PCT/JP2021/040383
Publication Date:
May 12, 2022
Filing Date:
November 02, 2021
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B21B38/00; B21B45/00; B21C47/02; B21C51/00; C22C38/00; C22C38/06; G01N33/2028; G01N33/204
Foreign References:
| JPH03108639A | 1991-05-08 | |||
| JP2009293985A | 2009-12-17 | |||
| JP2004020519A | 2004-01-22 | |||
| JPH08219891A | 1996-08-30 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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