基本信息:
- 专利标题： 球状黒鉛鋳鉄及びその製造方法
- 专利标题（英）：JP2018204082A - Spheroidal graphite cast iron and manufacturing method thereof
- 申请号：JP2017113105 申请日：2017-06-08
- 公开(公告)号：JP2018204082A 公开(公告)日：2018-12-27
- 发明人： 三吉拓郎 , 三吉俊幸
- 申请人： 青梅鋳造 株式会社
- 申请人地址： 東京都西多摩郡瑞穂町長岡3−11−1
- 专利权人： 青梅鋳造 株式会社
- 当前专利权人： 青梅鋳造 株式会社
- 当前专利权人地址： 東京都西多摩郡瑞穂町長岡3−11−1
- 代理人： 高橋 三雄; 高橋 大典
- 主分类号： C22C37/04
- IPC分类号： C22C37/04 ; B22D1/00 ; C21C1/10
A no possible to use a complicated process and processing, such as without austempering the use of expensive chemical components, further selection and arrangement of the major chemical components extremely high levels of hardness and tensile by simple method obtaining a strength of the spherical graphite cast iron.
In A mass%, C: 3.0~4.0%, Si: 1.5~2.5%, Mn: 1.0% or less, P: 0.04% or less, S: 0. 0.3% or less, Mg: 0.02~0.1%, Cu: 1.8~3.3%, Sn: it contains 0.01 to 0.05 percent, the chemical composition of the balance Fe and unavoidable impurities in the melt, casting the Fe-Si by performing Si 0.05 to 0.15 wt% secondary inoculation eq performs give away early type when the austenitic state, spheroidal graphite cast iron, characterized in that for cooling the method of production.
.FIELD 1