IS 7428 : 1974 Aluminium alloy extruded bars, rods and sections (for aircraft purposes) (Alloy 24345)

1 Scope

1.1 This standard covers the requirements of the following twogrades of aluminium-copper-magnesium-silicon-manganese alloyextruded bars, rods and sections:

Grade I - Extruded bars, rods and sections (for generalapplications)

Grade II - Extruded bars, rods and sections for highly stressedapplications

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 23 :1965 Specification for primary(virgin) aluminium notched barsand ingots for remelting for aircraft purposes

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

IS 7429 : 1974Procedure for inspection and testing of aluminium andaluminium alloy extruded bars, rods and sections (foraircraft purposes)