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Properties of Aluminized Steels for Hot-Forming
Technical Paper
2003-01-2853
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Production of parts with high strength by means of hot-forming process has lately considerable attention. Application of aluminized steels with good hardenability for this process has been investigated*. Tensile strength over than 1500MPa was obtained with steels containing around 0.2mass%C. Surface coated layer changed from Al-10%Si to Fe-Al(-Si) phases through the hot-forming process. The steels with Fe-Al(-Si) surface layer showed a good paintability even without phosphatized treatment. After painting, they showed a good corrosion resistance in JASO-CCT as galvanized steels did. The steels showed a good spot weldability due to the stable surface layer at high temperature.(*product within the frame of its strategic alliance with Arcelor (USIBOR 1500))
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Authors
- Masayoshi Suehiro - Yawata R & D Labs., Tech. Dev. Bureau, Nippon Steel Corporation (Current affiliation: Steel Research Labs., Tech. Dev. Bureau)
- Jun Maki - Yawata R & D Labs., Tech. Dev. Bureau, Nippon Steel Corporation
- Kazuhisa Kusumi - Yawata R & D Labs., Tech. Dev. Bureau, Nippon Steel Corporation
- Masahiro Ohgami - Yawata R & D Labs., Tech. Dev. Bureau, Nippon Steel Corporation
- Toshihiro Miyakoshi - Yawata Works, Nippon Steel Corporation
Topic
Citation
Suehiro, M., Maki, J., Kusumi, K., Ohgami, M. et al., "Properties of Aluminized Steels for Hot-Forming," SAE Technical Paper 2003-01-2853, 2003, https://doi.org/10.4271/2003-01-2853.Also In
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