Title:
METHOD FOR HEATING SLAB
Document Type and Number:
Japanese Patent JPH05331532
Kind Code:
A
Abstract:
PURPOSE: To make scale off quantity developed in a heating furnace suitable, to remove casting defect on the surface layer of a slab with continuous casting as the scale in the heating furnace and to obtain a hot-rolled product having good surface quality, in the heating furnace for direct rolling immediately charging the slab carried from the continuous casting line into the heating furnace.
CONSTITUTION: At the time of using T (°C) for slab heating temp. and H (min) for heating time, the dew point W (°C) in the heating furnace is adjusted with the following equation. W=5.85×105/(T+273)-1.5H+6.3×10-3H2-294.
Inventors:
EBIHARA MASANORI
AMAGASA TOSHIAKI
TAKESHIMA RIKIO
YOSHIDA KUNIO
TAKECHI TOSHISADA
AMAGASA TOSHIAKI
TAKESHIMA RIKIO
YOSHIDA KUNIO
TAKECHI TOSHISADA
Application Number:
JP13887592A
Publication Date:
December 14, 1993
Filing Date:
May 29, 1992
Export Citation:
Assignee:
KAWASAKI STEEL CO
International Classes:
C21D1/76; (IPC1-7): C21D1/76
Domestic Patent References:
| JPS63123516A | 1988-05-27 | |||
| JPH01263216A | 1989-10-19 |
Attorney, Agent or Firm:
Yoshio Kosugi (1 person outside)