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METHOD FOR PRODUCING A HOT-FORMED STEEL COMPONENT, AND HOT FORMED STEEL COMPONENT

机译：热成形钢成分的制造方法及热成形钢成分

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摘要

The invention relates to a method for producing a component by hot-forming a pre-product composed of steel, wherein the pre-product is heated to a temperature above 60° C. and below the Ac₃transformation temperature and then formed in this temperature range, wherein the component has a minimum tensile strength of 700 MPa and high elongation at break, wherein the pre-product has the following alloy composition in percent by weight: C: 0.0005 to 0.9; Mn: more than 3.0 to 12; the remainder iron including unavoidable steel-accompanying elements, with the optional addition of one or more of the following elements (in percent by weight): Al: up to 10; Si: up to 6; Cr: up to 6; Nb: up to 1.5; V; up to 1.5; Ti: up to 1.5; Mo: up to 3; Cu: up to 3; Sn: up to 0.5; W up to 5; Co: up to 8; Zr: up to 0.5; Ta: up to 0.5; Te: up to 0.5; B: up to 0.15; P: at most 0.1, in particular 0.04; S: at most 0.1, in particular 0.02; N: at most 0.1, in particular 0.05; Ca: up to 0.1. The invention further relates to a hot-formed component produced from a steel.

机译：本发明涉及通过热成型由钢组成的预制品来生产部件的方法，其中将预制品加热到高于60℃且低于Ac _{3 转化的温度。在该温度范围内，然后在该温度范围内成型，其中组分的最小抗拉强度为700 MPa，断裂伸长率高，其中预产品具有以下合金成分（重量百分比）：C：0.0005-0.9; Mn：大于3.0至12;其余的铁包括不可避免的钢伴元素，并可选地添加一种或多种以下元素（以重量百分比计）：Al：至多10; Si：至6; Cr：至多6; Nb：至多1.5; V;最高1.5; Ti：至多1.5; Mo：最多3;铜：最多3; Sn：至多0.5; W达5; Co：最多8; Zr：最高0.5; Ta：0.5以下。 Te：至多0.5; B：至多0.15; P：至多0.1，特别是＜0.04; S：至多0.1，特别是＜0.02; N：至多0.1，特别是＜0.05; Ca：至0.1。本发明还涉及一种由钢制成的热成型部件。}

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公开/公告号US2019085434A1

专利类型
公开/公告日2019-03-21

原文格式PDF
申请/专利权人 SALZGITTER FLACHSTAHL GMBH;
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申请/专利号US201716085376
发明设计人 PETER PALZER;THOMAS EVERTZ;MANUEL OTTO;KAI KÖHLER;
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申请日2017-03-10
分类号C22C38/04;C22C38/38;C21D6;C22C38/02;C22C38/06;C22C38/14;C22C38/34;C22C38/22;C21D8/02;B21B3/02;B21B23;C21D1/34;
国家 US
入库时间 2022-08-21 12:06:45

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