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Method for producing a steel component from a steel sheet with metal coating, steel sheet and steel component

A technology for metal cladding and steel components, which is applied in the field of steel plates and formed steel components to achieve the effects of improving protection, reducing maintenance costs, and shortening the thermoforming process

Active Publication Date: 2018-11-02
THYSSENKRUPP STEEL EURO AG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And the removal of scale leads to additional costs

Method used

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Examples

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Embodiment Construction

[0017] The invention is then further illustrated on the basis of several examples (tests).

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Abstract

The invention relates to a method for producing a three-dimensionally formed steel component from a steel sheet with a metallic coating, which is heated and subsequently formed into a steel component by hot forming, wherein the steel sheet used has Fe as the metallic coating ‑Al-based alloys. In order to prevent scale formation of the steel sheet or the steel component, an Fe-Al-based aluminum alloy is applied directly to the steel sheet by means of an electroplating process and / or physical vapor deposition and is subjected to heating of the coated steel sheet for hot forming Previously had a stable Fe-Al phase up to over 900°C, wherein the cladding thus produced contained 30-60% by weight of Fe, residual Al and optionally 0.1-10% by weight of Mg and / or 0.1-5 % by weight of Ti and / or 0.1-10% by weight of Si and / or 0.1-10% by weight of Li and / or 0.1-10% by weight of Ca. Furthermore, the invention relates to a correspondingly coated steel sheet for producing one or more steel components produced by hot forming.

Description

technical field [0001] The invention relates to a method for producing a three-dimensional shaped steel component from a steel sheet with a metal coating, which is heated and subsequently formed into a steel component by hot forming, wherein the steel sheet used comprises Fe as metal coating - Al-based alloys. Furthermore, the invention relates to a steel sheet for the production of one or more steel components produced by hot forming, which is provided with a metallic coating consisting of an Fe-Al-based alloy. Furthermore, the invention relates to a formed steel component produced by hot forming such a steel sheet. Background technique [0002] In the case where steel is heated to about 500° C. or higher in an atmosphere containing oxygen, an oxide layer, ie, a so-called scale, is formed on the steel surface. Scale formation is generally undesirable as scale poses serious problems. The penetration of scale during the forming of the steel sheet can thus lead to surface m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/06C22C38/14C22C38/02C22C21/00C22C30/00
CPCC22C21/00C22C30/00C22C38/002C22C38/02C22C38/06C22C38/14B32B15/011B32B15/012C21D1/18C21D1/673C21D8/005C21D8/0478C21D9/0068C21D2251/02C22C21/06C23C14/025C23C14/16C23C14/30C23C14/562C23C14/5806C25D13/12C25D13/20C22C38/00C25D3/20
Inventor 贝恩德·舒马赫尔克里斯蒂安·施韦尔特阿克塞尔·施罗滕拉尔夫·鲍谢
Owner THYSSENKRUPP STEEL EURO AG
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