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	PRODUCT DATA of AA5086-H38

Material	AA5086-H38
Processing and Assembly	Strain hardened and stabilized to a fully hard condition.
Chemical Composition	Al-4Mg-0.5Mn-0.2Cr

	EXPERIENCE IN PRACTICE

Development Status	Commercial Product
Cost Range	Low
Lot Reproducibility	Good
Equivalent Designations	AlMg4Mn;AlMg4;A-G4MC; A95086;3.3545; L-3322, AA 5086
Space Experience	Good

	PHYSICAL PROPERTIES

Crystal Structure	Face centered cubic (fcc)
Specific Gravity	2.67
Magnetic Properties	Nonmagnetic

	ELASTIC PROPERTIES

Tensile Modulus	71 GPa
Shear Modulus	26.7 GPa

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity	5.6e-8 ohm.m
Electrical Conductivity	31 %IACS

	THERMAL PROPERTIES

Temperature Range	66 °C(maximum)
Thermal Conductivity	126 W/m.K
Thermal Expansion Coefficient	23.8 μstrain/°C
Melting Range	585 to 640 °C
Specific Heat	0.9 J/g.K

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

General Corrosion Status	No specific corrosion protection required
Stress Corrosion Status	Moderate Resistance to SCC: Table 2 Remark: acc. to ECSS-Q-ST-70-36C Data Quality: Design Data
EMF vs SCE	-0.77 V
Bimetallic Corrosion	Can be used in a non-controlled environment: Al alloys, Cd Can be used in a clean room environment: Mg, Sn-Pb alloys (all), Sn, Pb, Zn, Be Needs specific measures: All others Remark: ECSS-Q-ST-70C Rev.1 table 5.1 Data Quality: Design Data

	SPECIAL RECOMMENDATIONS

Lessons Learned

The alloy is prohibited for continuous service at temperatures above 66°C because of accelerated aging at elevated temperatures which may increase the susceptibility of the alloy to stress corrosion cracking