发明名称 HIGH HEAT-RESISTANCE COLD-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY, HEAT RESISTANCE FOR WORKING AND MANUFACTURING METHOD THEREOF
摘要 <p>PURPOSE: A high heat-resistance and cold-rolled steel sheet with excellent processability and heat resistance and a manufacturing method thereof are provided to extend the service life of the high heat-resistance and cold-rolled steel sheet. CONSTITUTION: A high heat-resistance and cold-rolled steel sheet with excellent processability and heat resistance comprises C 0.002~0.005 weight%, Nb 0.02~0.06 weight%, Co 0.02~0.20 weight%, Mn 0.10~0.35 weight%, Al 0.02~0.08 weight%, P 0.003~0.020 weight%, N 0.002~0.006 weight%, S less than 0.015 weight%, Fe and inevitable impurities.</p>
申请公布号 KR20110063188(A) 申请公布日期 2011.06.10
申请号 KR20090120143 申请日期 2009.12.04
申请人 POSCO 发明人 KIM, JAI IK;KIM, SUNG JIN;BAE, DAE CHUL
分类号 C22C38/00;B21B3/02;C21D8/02;C22C38/12 主分类号 C22C38/00
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