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Formability of TS590 N/mm2 “Tri-Phase” Hot Rolled Steel
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Abstract
TS590N/mm2 hot rolled steel showing a good balance of stretch formability and stretch flangeability has been newly developed for manufacturing high strength automotive parts. A laboratory study revealed that an introduction of a small amount of martensite in ferrite · bainite microstructure remarkably improves uniform elongation of ferrite · bainite steel giving little influence on its good localized elongation. Characteristics in ductile property of this “Tri-Phase” type steel were confirmed in press forming tests.
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Shirasawa, H., Mimura, K., Yokoi, T., Shibata, Z. et al., "Formability of TS590 N/mm2 “Tri-Phase” Hot Rolled Steel," SAE Technical Paper 930284, 1993, https://doi.org/10.4271/930284.Also In
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