[发明专利]刹车钳用合金钢及其制备方法无效
申请号: | 201110391727.3 | 申请日: | 2011-11-29 |
公开(公告)号: | CN102409259A | 公开(公告)日: | 2012-04-11 |
发明(设计)人: | 俞其平 | 申请(专利权)人: | 宁波精磊汽车零部件有限公司 |
主分类号: | C22C38/54 | 分类号: | C22C38/54;C21D9/00;C21D1/20 |
代理公司: | 北京维澳专利代理有限公司 11252 | 代理人: | 王立民 |
地址: | 315181 浙江*** | 国省代码: | 浙江;33 |
权利要求书: | 查看更多 | 说明书: | 查看更多 |
摘要: | |||
搜索关键词: | 刹车 合金钢 及其 制备 方法 | ||
1.一种刹车钳用合金钢,其特征在于,该合金钢的重量百分比是:0.32-0.34%的碳,0.24-0.31%的硅,0.63-0.67%的锰,0.001%的磷,0.008%的硫,0.19-0.22%的铬,0.04-0.05%的镍,0.006-0.009%的钼,0.027-0.028%的钴,0.0001%的矾,0.01-0.02%的铝,0.125-0.13%的钨,0.0001%的钛,0.002%的硼,0.002-0.005%的铌,余量为铁。
2.根据权利要求1所述的刹车钳用合金钢,其特征在于,该合金钢的重量百分比是:0.33%的碳,0.28%的硅,0.65%的锰,0.001%的磷,0.008%的硫,0.22%的铬,0.05%的镍,0.007%的钼,0.028%的钴,0.0001%的矾,0.02%的铝,0.13%的钨,0.0001%的钛,0.002%的硼,0.003%的铌,余量为铁。
3.一种刹车钳用合金钢的制备方法,包括以下步骤:
1)按照重量百分比:0.32-0.34%的碳,0.24-0.31%的硅,0.63-0.67%的锰,0.001%的磷,0.008%的硫,0.19-0.22%的铬,0.04-0.05%的镍,0.006-0.009%的钼,0.027-0.028%的钴,0.0001%的矾,0.01-0.02%的铝,0.125-0.13%的钨,0.0001%的钛,0.002%的硼,0.002-0.005%的铌,余量为铁进行配料;
2)通过中频感应炉熔炼制备合金钢;
3)将合金钢进行正火和等温淬火处理。
4.根据权利要求3所述的刹车钳用合金钢的制备方法,其特征在于,所述等温淬火处理,采用360±20℃等温淬火处理。
5.根据权利要求3或4所述的刹车钳用合金钢的制备方法,其特征在于,所述的等温淬火处理采用的是硝酸盐盐浴等温淬火。
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