All data is for information only------(<---links)
	PRODUCT DATA of AA2124-T8

Material	AA2124-T8
Precautions	Typical T851 data from the Aluminium Association (AA). Not for design
Chemical Composition	Al-4.5Cu-1.6Mg-0.6Mn

	EXPERIENCE IN PRACTICE

Equivalent Designations

UNS A92124; 2124-T851

	PHYSICAL PROPERTIES

Crystal Structure	Face centered cubic (fcc)
Specific Gravity	2.78
Magnetic Properties	Nonmagnetic

	ELASTIC PROPERTIES

Shear Modulus	27 GPa Data Quality:Typical data
Poisson Ratio	0.33 Data Quality:Typical data

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity

4.49e-8 ohm.m

	THERMAL PROPERTIES

Temperature Range	121 °C(maximum)
Thermal Conductivity	151 W/m.K
Thermal Expansion Coefficient	22.9 µstrain/°C
Melting Range	502 to 638 °C
Specific Heat	0.882 J/g.K

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

General Corrosion Status	Requires specific corrosion protection
Stress Corrosion Status	Moderate Resistance to SCC: Table 2 Remark: Requires Stress Corrosion Evaluation Form Data Quality: Design Data
Bimetallic Corrosion	Can be used in a non-controlled environment with: Al+alloys, Cd, Sn-Pb alloys, Sn, Pb Can be used in a clean room environment with: as above and Mg, Ni, Monel, Inconel, Ni-Mo alloys, 300 series SS, 400 series SS, Ti and Ti alloys, Zn, Be Needs specific measures: All others ECSS-Q-ST-70C Rev.1 table 5.1 Data Quality: Design Data

	FLUID SYSTEMS COMPATIBILITY

Gaseous Oxygen (GOX)	Meets the mechanical impact requirements. No batch test required.
Liquid Oxygen (LOX)	Fails mechanical impact
Nitrogen Tetroxide (N2O4)	SCC susceptibility is low and no fluid decomposition
Hydrazine (HDZE)	SCC susceptibility is low and no fluid decomposition