发明名称 |
一种高强度耐磨球铁卷筒及其制造方法 |
摘要 |
本发明为一种高强度耐磨球铁卷筒及其制造方法,卷筒化学组成成分(质量分数,%)是:3.5~3.7C,2.1~2.4Si,4.3≤CE(C+1/3Si)≤4.4,0.03~0.06Mg,0.02~0.04Y,0.006~0.012Sn,0.012~0.018Sb,0.2~0.5Cu,0.035~0.060N,0.040~0.065V,0.040~0.065Nb,0.095≤V+Nb≤0.120,0.005~0.010Ca,0.005~0.010Ba,0.012≤Ca+Ba≤0.018,Mn<0.3,Ti<0.015,Al<0.012,P<0.04,S<0.012,余量Fe。本发明卷筒采用电炉熔炼,用普通铸造方法浇注成形,在200~260℃进行去应力退火处理,然后机械加工至规定尺寸和精度,生产工艺简便,卷筒强韧性好,使用安全可靠且寿命长,推广使用具有很好的经济效益。 |
申请公布号 |
CN101748325A |
申请公布日期 |
2010.06.23 |
申请号 |
CN200910244427.5 |
申请日期 |
2009.12.30 |
申请人 |
山东省汇丰机械集团总公司章丘市铸造厂 |
发明人 |
刘宪民;焦守民;郭宏涛;符寒光 |
分类号 |
C22C37/10(2006.01)I;C22C33/06(2006.01)I;B22D1/00(2006.01)I;B22D25/02(2006.01)I;C21D1/30(2006.01)I;B66D1/30(2006.01)I |
主分类号 |
C22C37/10(2006.01)I |
代理机构 |
北京思海天达知识产权代理有限公司 11203 |
代理人 |
刘萍 |
主权项 |
一种高强度耐磨球铁卷筒,其特征在于卷筒的化学组成成分质量百分数是:3.5~3.7C,2.1~2.4Si,4.3≤CE(C+1/3Si)≤4.4,0.03~0.06Mg,0.02~0.04Y,0.006~0.012Sn,0.012~0.018Sb,0.2~0.5Cu,0.035~0.060N,0.040~0.065V,0.040~0.065Nb,0.095≤V+Nb≤0.120,0.005~0.010Ca,0.005~0.010Ba,0.012≤Ca+Ba≤0.018,Mn<0.3,Ti<0.015,Al<0.012,P<0.04,S<0.012,余量Fe。 |
地址 |
250204 山东省章丘市刁镇中心大街136号 |