IS 7670 : 2002 Aluminium Alloy Forging Stock and Forgings (for Parts Operated at Elevated Temperatures) for Aircraft Purposes (Alloy 22588) - Specification

1 Scope

This standard covers the requirements ofaluminium-copper-magnesium-nickel-iron alloy (Alloy 22588) forgingstocks (billets, bars, rods, sections) and forgings. The materialis intended for parts operating at elevated temperatures.

2 References

IS 23 :1980 Primary aluminium and ingots for remelting foraircraft purposes

IS 504 :1963 Methods of chemical analysis of aluminium andits alloys

IS 1500 :1983 Method for Brinell hardness test for metallicmaterials

IS 1608 :1995 Mechanical testing of metals - Tensile testing

IS 3658 :1999 Code of practice for liquid penetrant flawdetection

IS 3664 :1981 Code of practice for ultrasonic pulse echotesting by contact and immersion methods

IS 5047 : Part 1 :1986 Glossary of terms relating toaluminium and aluminium alloys: Part 1 Unwrought and wrought metals

IS 7674 :1975 Procedure for inspection and testing ofaluminium and aluminium alloy forging stock andforgings for aircraft purposes

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