发明名称 |
HIGH-CARBON SOFT WIRE ROD NOT REQUIRING SOFTENING TREATMENT AND MANUFACTURING METHOD THEREOF |
摘要 |
Provided are a method for manufacturing a high-carbon soft wire rod which omits softening treatment and a wire rod manufactured thereby, and the method comprises the steps of: austenitizing a billet including 0.7-1.5 weight% of C, 0.005-2.0 weight% of Si, 0.2-1.5 weight% of Mn, 0.03 weight% or less of Al, 0.02 weight% or less of P, 0.02 weight% or less of S, and the remaining weight percent of Fe and necessary impurities at the temperature of A3 or more; performing a finish-rolling process at A1 to A1+80°C; and cooling the rolled wire rod to A1-50°C to A1-100°C at the cooling speed of 0.03°C/s. |
申请公布号 |
WO2011037403(A3) |
申请公布日期 |
2011.07.07 |
申请号 |
WO2010KR06496 |
申请日期 |
2010.09.20 |
申请人 |
POSCO;LEE, SANG-YOON;KWON, JUNG-SEOK;KIM, DONG-HYUN;KIM, JOON-YOUNG;LEE, YOU-HWAN |
发明人 |
LEE, SANG-YOON;KWON, JUNG-SEOK;KIM, DONG-HYUN;KIM, JOON-YOUNG;LEE, YOU-HWAN |
分类号 |
C21D8/06;C22C38/00;C22C38/02 |
主分类号 |
C21D8/06 |
代理机构 |
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代理人 |
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主权项 |
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