HOT STAMPED BODY
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 16, 2020
app pub date -
Feb 20, 2018
filing date -
Feb 20, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a hot stamped body including a middle part in sheet thickness and a surface layer arranged at both sides or one side of the middle part in sheet thickness, further including an intermediate layer formed between the middle part in sheet thickness and each surface layer so as to adjoin them, wherein the middle part in sheet thickness has a predetermined composition, the middle part in sheet thickness has a hardness of 500 Hv or more and 800 Hv or less, the surface layer has a hardness change ΔH1 in the sheet thickness direction of 100 Hv or more and less than 200 Hv, and the intermediate layer has a hardness change ΔH2 in the sheet thickness direction of 10 Hv or more and less than 50 Hv.
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