IS 8561 : 1977 Aluminium alloy clad sheet and strip for aircraft purposes (Alloy 76528)

1 Scope

1.1 This standard covers the requirements for aluminium alloyclad aluminium-zinc-magnesium-copper-chromium alloy sheet and stripfor aeronautical applications.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 23 :1965 Primary (virgin) aluminiumnotched bars and ingots forremelting for aircraft purposes

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

IS 3420 : 1976Procedure for inspection and testing of aluminium andaluminium alloy sheets and strips for aircraft purposes