发明名称 |
Process for producing a work piece of machine construction steel and work piece produced by this process |
摘要 |
<p>Micro-alloyed steel consists of (in wt%): 0.05-0.5 C; 1-2 Mn; 0.05-1.55 Si; 0.1-1 Cr; 0-0.5 Mo; 0-0.3 V; 0-0.01 B; 0-0.03 Ti; and 0-0.1Nb. It has a bainitic structure. A blank of the steel is subjected to surface heat treatment by laser beam, induction heating or electron bombardment, followed by quenching. The heat affected zones are heated to 500-900 degrees C and cooled at a rate of above 500 degrees C/hr..</p> |
申请公布号 |
EP0717116(A1) |
申请公布日期 |
1996.06.19 |
申请号 |
EP19950402754 |
申请日期 |
1995.12.07 |
申请人 |
ASCOMETAL (SOCIETE ANONYME) |
发明人 |
BELLUS, JACQUES;PICHARD, CLAUDE;JOLLY, PIERRE;FOREST, DANIEL;ROBAT, DANIEL |
分类号 |
C21D1/00;C21D1/06;C21D1/20;(IPC1-7):C21D1/20 |
主分类号 |
C21D1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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