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1.发明公开SPHEROIDAL GRAPHITE CAST IRON, MANUFACTURING METHOD THEREFOR, AND HYDRAULIC DEVICE COMPONENT MANUFACTURED THEREFROM 审中-公开球形石墨铸铁及其制造方法和由此制造的液压装置部件
公开(公告)号：EP3239314A1
公开(公告)日：2017-11-01
申请号：EP15873489.7
申请日：2015-11-24
IPC分类号： C22C37/04
CPC分类号： C22C37/04 , C21C1/105 , C21D1/10 , C21D5/00 , C21D9/0068 , C21D2211/006 , C21D2211/008 , C21D2211/009 , C22C33/006 , C22C33/10 , Y02P10/253
摘要： The present invention relates to spheroidal graphite cast iron, a manufacturing method therefor, and a hydraulic device component manufactured therefrom. The present invention can provide the spheroidal graphite cast iron having uniform spheroidal graphite and matrixes by specifically controlling the ratio (Cu/Zr) of the copper (Cu) content to the zirconium (Zr) content.
摘要翻译： 本发明涉及球墨铸铁及其制造方法和由其制造的液压装置部件。 本发明通过特定地控制铜（Cu）含量与锆（Zr）含量的比率（Cu / Zr），可以提供具有均匀的球状石墨和基体的球墨铸铁。
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公开(公告)号：EP3239314B1
公开(公告)日：2020-08-05
申请号：EP15873489.7
申请日：2015-11-24
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3.发明授权HIGH-STRENGTH FLAKE GRAPHITE CAST IRON, MANUFACTURING METHOD THEREOFOR, AND ENGINE BODY FOR INTERNAL COMBUSTION ENGINE INCLUDING CAST IRON 有权高强度鳞片石墨铸铁及其制造方法，以及包括铸铁在内的内燃机的发动机体
公开(公告)号：EP2949771B1
公开(公告)日：2018-03-14
申请号：EP14743824.6
申请日：2014-01-06
发明人： JUNG, Ki Hwan , YANG, Sik , HWANG, Jae Hyoung , JU, Young Kyu , CHUNG, Jong Kwon , LEE, Yeniseul , SHIM, Dong Seob
摘要： The present invention relates to a manufacturing method of high-strength flake graphite cast iron, the high-strength flake graphite cast iron manufactured by the method, and an engine body including the cast iron, and more particularly, to flake graphite cast iron and a manufacturing method thereof, wherein the flake graphite cast iron has a uniform graphite shape and low probability of forming chill and has high tensile strength of at least 350 MPa and excellent workability and fluidity by controlling the content of manganese (Mn) and a trace of strontium (Sr), which are included in the cast iron, within a specific ratio.
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4.发明公开HIGH-STRENGTH FLAKE GRAPHITE CAST IRON, MANUFACTURING METHOD THEREOFOR, AND ENGINE BODY FOR INTERNAL COMBUSTION ENGINE INCLUDING CAST IRON 有权高强石墨铸铁薄片形式，工艺为铸铁内燃机PRODUCING及发动机体
公开(公告)号：EP2949771A1
公开(公告)日：2015-12-02
申请号：EP14743824.6
申请日：2014-01-06
发明人： JUNG, Ki Hwan , YANG, Sik , HWANG, Jae Hyoung , JU, Young Kyu , CHUNG, Jong Kwon , LEE, Yeniseul , SHIM, Dong Seob
摘要： The present invention relates to a manufacturing method of high-strength flake graphite cast iron, the high-strength flake graphite cast iron manufactured by the method, and an engine body including the cast iron, and more particularly, to flake graphite cast iron and a manufacturing method thereof, wherein the flake graphite cast iron has a uniform graphite shape and low probability of forming chill and has high tensile strength of at least 350 MPa and excellent workability and fluidity by controlling the content of manganese (Mn) and a trace of strontium (Sr), which are included in the cast iron, within a specific ratio.
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