| 发明名称 |
HYBRID MOLD STEEL AND MANUFACTURING METHOD THEREOF |
| 摘要 |
Provided is a mold steel for plastic injection that is excellent in fatigue strength and tensile strength and available for long term use, where the mold steel includes: 0.15 to 0.40 wt. % of carbon (C), 0.15 to 0.50 wt. % of silicon (Si), 0.70 to 1.50 wt. % of manganese (Mn), 0.50 to 1.20 wt. % of nickel (Ni), 1.50 to 2.50 wt. % of chrome (Cr), 0.25 to 0.70 wt. % of molybdenum (Mo), 0.20 wt. % or less of vanadium (V), 0.010 wt. % or less of boron (B), and a trace of iron (Fe) and a plurality of impurities. |
| 申请公布号 |
US2015144233(A1) |
申请公布日期 |
2015.05.28 |
| 申请号 |
US201414554373 |
申请日期 |
2014.11.26 |
| 申请人 |
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD. |
发明人 |
PARK Young Chul;LEE Soo Mok;JANG Myeong Su;JEON Jei Yeong |
| 分类号 |
B29C45/26;C21D9/00;C21D1/18;C21D6/00;C22C38/58;C22C38/54;C22C38/46;C22C38/44;C22C38/42;C22C38/04;C22C38/02;B21B1/02;B21B3/02;B21J5/06;C21D8/00 |
主分类号 |
B29C45/26 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A mold steel comprising 0.15 to 0.40 wt. % of carbon (C), 0.15 to 0.50 wt. % of silicon (Si), 0.70 to 1.50 wt. % of manganese (Mn), 0.50 to 1.20 wt. % of nickel (Ni), 1.50 to 2.50 wt. % of chrome (Cr), 0.25 to 0.70 wt. % of molybdenum (Mo), 0.20 wt. % or less of vanadium (V), 0.010 wt. % or less of boron (B), and a trace of iron (Fe) and a plurality of impurities. |
| 地址 |
Changwon-Si KR |
