IS 11998 : 1987 Aluminium for the manufacture of alloys for IC engine pistons

1 Scope

1.1 This standard covers the requirement of EC grade aluminiumingots which are used for making alloys for the manufacture ofautomotive pistons of two grades (eutectic and hyper-eutectic) forI.C. engines conforming to IS 7793 : 1975.

2 References

IS 2 :1960 Rules for roundingoff numerical values

IS 504 : 1963 Method of chemical analysis of aluminiumand aluminiumalloys

IS 1820 : 1979Recommended shapes and sizes of aluminium notched barsand ingots for remelting purposes

IS 7793 : 1975Specification for aluminium alloys for I.C. enginepistons

IS 10259 : 1982General condition of delivery and inspection ofaluminium and aluminium alloy products