| 发明名称 |
HIGH-PHOSPHORUS STEEEL HAVING EXCELLENT IMPACT TOUGHNESS PROPERTY AND STRENGTH AND METHOD FOR MANUFACTURING THE SAME |
| 摘要 |
<p>The present invention provides a high-phosphorus steel and a manufacturing method thereof, capable of improving a strength of the high-phosphorus steel while securing excellent impact toughness using a precipitate forming element. The high-phosphorus steel comprises: 0.2-0.5 wt% of P; at least one among Ti, Nb, and V; and the rest of Fe and foreign matters.</p> |
| 申请公布号 |
KR20150069303(A) |
申请公布日期 |
2015.06.23 |
| 申请号 |
KR20130155562 |
申请日期 |
2013.12.13 |
| 申请人 |
POSCO |
发明人 |
PARK, JUN HAK;PARK, KYONG SU;JANG, JAE HOON;CHOI, SEOK HWAN;LEE, JAE KON |
| 分类号 |
C22C38/00;B21B3/00;C21D8/00 |
主分类号 |
C22C38/00 |
| 代理机构 |
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代理人 |
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