发明名称 |
ELEMENT EN ACIER A RESISTANCE ELEVEE AVEC DEFORMATION CIBLEE EN CAS D'ACCIDENT |
摘要 |
<p>A structural motor-vehicle element is made by hot-shaping and press-hardening a steel workpiece into the element and thereafter heating the hot-shaped and press-hardened workpiece to between 320° C. and 400° C. The steel workpiece constitutes in weight percent, Carbon (C) 0.18% to 0.3% Silicon (Si) 0.1% to 0.7% Manganese (Mn) 1.0% to 2.5% Phosphorus (P) max. 0.025% Chromium (Cr) up to 0.8% Molybdenum (Mo) up to 0.5% Sulfur (S) max. 0.01% Titanium (Ti) 0.02% to 0.05% Boron (B) 0.002% to 0.005% Aluminum (Al) 0.01% to 0.06% the rest iron including impurities caused by the smelting process.</p> |
申请公布号 |
FR2893953(B1) |
申请公布日期 |
2013.10.11 |
申请号 |
FR20060009915 |
申请日期 |
2006.11.13 |
申请人 |
BENTELER AUTOMOBILTECHNIK GMBH |
发明人 |
GEHRINGHOFF LUDGER;KROGER DIRK;DANGER ELISABETH;PFESTORF MARKUS DR |
分类号 |
C21D8/00;B62D21/15;C22C38/04 |
主分类号 |
C21D8/00 |
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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