发明名称 |
CYLINDRE DE LAMINAGE A FROID FABRIQUE PAR COULEE ET SON PROCEDE DE FABRICATION |
摘要 |
The composite bimetallic roll for cold rolling obtained by casting comprises a heart metal constituted by a nodular or lamellar cast iron and a case metal constituted by a steel having a chromium content of 8 to 16% and a carbon content of 0.65 to 0.95%. The chromium/carbon ratio is between 11 and 16 and the structure of the case metal is martensitic with a content of residual austenite of less than 10%. |
申请公布号 |
BE890909(A1) |
申请公布日期 |
1982.04.29 |
申请号 |
BE19810206381 |
申请日期 |
1981.10.29 |
申请人 |
UNION SIDERURGIQUE DU NORD ET DE L'EST DE LA FRANCE USINOR |
发明人 |
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分类号 |
B22D19/16;B21B27/00;C21D9/38;C22C38/00;C22C38/24;(IPC1-7):21B/ |
主分类号 |
B22D19/16 |
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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