发明名称 |
STEEL FOR HIGH-STRENGTH VEHICLE STABILIZER WITH EXCELLENT CORROSION RESISTANCE AND LOW-TEMPERATURE TOUGHNESS, AND PROCESS FOR THE PRODUCTION OF SAME, AND STABILIZER |
摘要 |
According to one embodiment, a high-strength stabilizer steel for vehicles having excellent corrosion resistance and low-temperature toughness, containing 0.07 to 0.20% C, more than 0.6% and 1.5% or less Si, 1 to 3% Mn, 0.1 to 1.0% Cr, 0.005 to 0.080% sAl, 0.005 to 0.060% Ti, 0.005 to 0.060% Nb, 0.070% or less Ti+Nb, 150 ppm or less N, 0.035% or less P, 0.035% or less S, 0.01 to 1.00% Cu, 0.01 to 1.00% Ni, the remainder being Fe, and unavoidable impurities, wherein a structure before molding a stabilizer is any one of a bainite, a martensite, and a mixed structure of bainite/martensite and an original austenitic crystal grain size number after a heat treatment of the stabilizer is Gh 9 or more. |
申请公布号 |
EP2397571(A4) |
申请公布日期 |
2016.08.17 |
申请号 |
EP20100741269 |
申请日期 |
2010.02.10 |
申请人 |
NHK SPRING CO., LTD.;JFE BARS & SHAPES CORPORATION |
发明人 |
KIKUCHI, KATSUHIKO;TOMITA, KUNIKAZU;TAMAI, YUTAKA;HATTORI, KAZUAKI;INOUE, KANJI;TANGE, AKIRA;MORI, NORIHIKO;GOTO, YURIKA;KURIMOTO, KIYOSHI |
分类号 |
C22C38/58;B60G21/055;C21D1/25;C21D1/28;C21D9/00;C21D9/08;C22C38/02;C22C38/04;C22C38/06;C22C38/42;C22C38/48;C22C38/50 |
主分类号 |
C22C38/58 |
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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