Material: JIS H 5203 MgAl6Zn3 Class 1 Description: Standard Specification for Magnesium Alloy Casting Group Name: Non-Ferrous Magnesium Alloy Sub Group: JIS H 5203 Magnesium Alloy Casting Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Grade Standard: JIS-JAPAN