METHOD FOR HOT-ROLLING DEAD SOFT STEEL

METHOD FOR HOT-ROLLING DEAD SOFT STEEL

PROBLEM TO BE SOLVED: To suppress the generation of seam flaw of a product by heating the slab of dead soft steel in a heating furnace at a temp. of less than a specified temp. and executing rough rolling after transforming the whole of outer layer part in the end part of the width end part into α-p...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HIRUTA TOSHIKI, ONDA SOICHIRO, YAMASHITA MICHIO
Format: Patent
Sprache:eng
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To suppress the generation of seam flaw of a product by heating the slab of dead soft steel in a heating furnace at a temp. of less than a specified temp. and executing rough rolling after transforming the whole of outer layer part in the end part of the width end part into α-phase. SOLUTION: To dead soft steel which is rough rolled under the ordinary descaling conditions, the heating temp. of the slab is regulated at