发明名称 |
ULTRA SOFT HIGH CARBON HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME |
摘要 |
An ultra soft high carbon hot-rolled steel sheet has excellent workability. The steel sheet is a high carbon hot-rolled steel sheet containing 0.2 to 0.7% C, and has a structure in which mean grain size of ferrite is 20 μm or larger, the volume percentage of ferrite grains having 10 μm or smaller size is 20% or less, mean diameter of carbide is in a range from 0.10 μm to smaller than 2.0 μm, the percentage of carbide grains having 5 or more of aspect ratio is 15% or less, and the contact ratio of carbide is 20% or less.
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申请公布号 |
US2010282376(A1) |
申请公布日期 |
2010.11.11 |
申请号 |
US20070294639 |
申请日期 |
2007.02.26 |
申请人 |
JFE STEEL CORPORATION, A CORPORATION OF JAPAN |
发明人 |
KIMURA HIDEYUKI;FUJITA TAKESHI;NAKAMURA NOBUYUKI;AOKI NAOYA;SASAKI MASATO;UEOKA SATOSHI;IIZUKA SHUNJI |
分类号 |
C21D8/02;C22C38/00;C22C38/32 |
主分类号 |
C21D8/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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