发明名称 |
一种低合金钢及其制备方法 |
摘要 |
本发明涉及一种低合金钢及其制备方法,该合金钢的重量百分比是:0.32-0.34%的碳,0.24-0.25%的硅,0.63-0.65%的锰,0.001%的磷,0.008%的硫,0.19%的铬,0.047%的镍,0.007%的钼,0.027-0.028%的钴,0.0001%的矾,0.02%的铝,0.13%的钨,0.0001%的钛,0.002%的硼,0.002-0.003%的铌,余量为铁。通过中频感应炉熔炼制备合金钢;将合金钢进行正火和等温淬火处理。通过正火过程获取大量的珠光基体,并通过等温淬火,使合金钢的奥氏体转变成下贝氏体组织,使得合金硬度、耐磨性能及表面耐热性能均得到很大的提高。 |
申请公布号 |
CN102433514B |
申请公布日期 |
2013.08.28 |
申请号 |
CN201110391730.5 |
申请日期 |
2011.11.29 |
申请人 |
宁波精磊汽车零部件有限公司 |
发明人 |
俞其平 |
分类号 |
C22C38/54(2006.01)I;C21D1/28(2006.01)I;C21D1/20(2006.01)I |
主分类号 |
C22C38/54(2006.01)I |
代理机构 |
北京维澳专利代理有限公司 11252 |
代理人 |
王立民 |
主权项 |
一种低合金钢,其特征在于,该合金钢的重量百分比是:0.32‑0.34%的碳,0.24‑0.25%的硅,0.63‑0.65%的锰,0.001%的磷,0.008%的硫,0.19%的铬,0.047%的镍,0.007%的钼,0.027‑0.028%的钴,0.0001%的矾,0.02%的铝,0.13%的钨,0.0001%的钛,0.002%的硼,0.002‑0.003%的铌,余量为铁。 |
地址 |
315181 浙江省宁波市鄞州区横街镇梅梁桥工业区 |