| 发明名称 |
HIGH-STRENGTH ISOTROPIC STEEL, METHOD FOR MAKING STEEL PLATES AND RESULTING PLATES |
| 摘要 |
The invention concerns a steel whereof the composition, expressed in wt. %, comprises: 0.03 </= C </= 0.06; 0.50 </= Mn </= 1.10; 0.08 </= Si </= 0.20; 0.015 </= Al </= 0.070; N </= 0.007; Ni </= 0.040; Cu </= 0.040; P </= 0.035; S </= 0.015; Mo </= 0.008; Ti </= 0.005; providing that it also comprises boron in an amount such that: 0.65 </= B/N </= 1.60, the rest of the composition consisting of iron and impurities resulting from preparation. The invention also concerns a method for making steel plates having said composition and the resulting plates. |
| 申请公布号 |
WO02059384(A2) |
申请公布日期 |
2002.08.01 |
| 申请号 |
WO2002FR00225 |
申请日期 |
2002.01.21 |
| 申请人 |
USINOR;MARSAL, JOEL;MESCOLINI, DOMINIQUE |
发明人 |
MARSAL, JOEL;MESCOLINI, DOMINIQUE |
| 分类号 |
C21D9/46;B32B15/01;C21D8/02;C21D8/04;C22C38/00;C22C38/04;C22C38/06;C22C38/16 |
主分类号 |
C21D9/46 |
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