IS 23 : 1980 Specification for Primary Aluminium Ingots for Remelting for Aircraft Purposes

1 Scope

1.1 This standard covers requirements for 99, 99.5, 99.7 and99.8 percent primary aluminium notched bars and ingots forremelting, for aircraft purposes.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 504 : 1963Methods of chemical analysis of aluminium and its alloys

IS 1387 : 1967General requirements for the supply of metals and metalproducts

IS 1820 : 1963Recommended shapes and sizes of aluminium notched barsand ingots for remelting purposes

IS 6051 : 1970 Codefor designation of aluminium and its alloys