Aluminum casting alloy

US9982329B2 · kind B2 · utility

Assignee

• KSM Castings Group GmbH · DE

Inventors

• Klaus Greven · Hildesheim, DE
• Manikandan Loganathan · Hildesheim, DE

Key dates

• Filing date: Feb 4, 2014
• Grant date: May 29, 2018
• Expiry date: Dec 19, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22F1/047
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An aluminum casting alloy contains the following alloy components: Si: 3.0 to 3.8 wt.-%, Mg: 0.3 to 0.6 wt.-%, Cr: 0.05 to <0.25 wt.-%, Fe: <0.18 wt.-%, Mn: <0.06 wt.-%, Ti: <0.16 wt.-%, Cu: <0.006 wt.-%, Sr: 0.010 to 0.030 wt.-%, Zr: <0.006 wt.-%, Zn: <0.006 wt.-%, Contaminants: <0.1 wt.-%, and is supplemented to 100 wt.-% with Al, in each instance.