APPLICATION OF A HIGH CHROMIUM STEEL TO ROUGHING WORK ROLLS FOR HOT STRIP MILLS

被引：5
|
作者：
HIRAOKA, H
KATAOKA, Y
YUDA, K
TANIGUCHI, K
SASADA, M
HISHINUMA, I
机构：
[1] KAWASAKI STEEL CHEM IND CO LTD,IRON & STEEL RES LABS,HANDA,AICHI 475,JAPAN
[2] KAWASAKI STEEL CHEM IND CO LTD,CHITA WORKS,HANDA,AICHI 475,JAPAN
[3] KAWASAKI STEEL CHEM IND CO LTD,MIZUSHIMA WORKS,KURASHIKI 712,JAPAN
来源：
ISIJ INTERNATIONAL | 1992年 / 32卷 / 11期
关键词：
WORK ROLL; HIGH CHROMIUM STEEL; HIGH CHROMIUM IRON; HOT STRIP MILL;
D O I：
10.2355/isijinternational.32.1177
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
High-chromium (Hi-Cr) iron rolls have good wear resistance, but have certain disadvantages in their application to roughing mills. The influence of C and Cr contents on material and mechanical properties were examined. The dendritic structure of the material changes with C and Cr contents, with the structure of lower C and Cr steel being larger than that of higher C and Cr iron. Hot hardness and wear resistance do not depend on C and Cr contents, while the mechanical wear of these materials decreases with increasing hardness. The thermal shock resistance decreases with decreasing Cr content. Using Hi-Cr steel rolls instead of Hi-Cr iron rolls in a hot strip roughing mill, accidental slippage was prevented by their rougher surface and better performance obtained by increasing hardness.
引用
收藏
页码：1177 / 1183
页数：7
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