发明名称 |
Method of annealing iron-based products comprised of carbon steel rich in chromium and manganese |
摘要 |
A method of annealing of siderurgical products comprised of carbon steel having a chromium content in the range 0.15-1.5 wt. % and a manganese content also in the range 0.15-1.5 wt. %, whereby said products are held in an annealing furnace under nitrogen atmosphere to bring about globulization of the perlite; characterized in that oxygen is added to this atmosphere, in an amount greater than or equal to 0.5 vol. %.
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申请公布号 |
US5536338(A) |
申请公布日期 |
1996.07.16 |
申请号 |
US19940354095 |
申请日期 |
1994.12.06 |
申请人 |
ASCOMETAL (SOCIETE ANONYME) |
发明人 |
METIVIER, JEAN;CHAUDANSON, HELENE;DHERS, JEAN |
分类号 |
C21D1/32;C21D1/76;(IPC1-7):C21D1/76 |
主分类号 |
C21D1/32 |
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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