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5040-H34 Aluminum

5040-H34 aluminum is 5040 aluminum in the H34 temper. To achieve this temper, the metal is strain hardened, and then stabilized, to a strength that is roughly halfway between annealed (O) and full-hard (H38).

The graph bars on the material properties cards below compare 5040-H34 aluminum to: 5000-series alloys (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

66

Elastic (Young's, Tensile) Modulus

70 GPa 10 x 106 psi

Elongation at Break

6.8 %

Fatigue Strength

110 MPa 16 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

26 GPa 3.8 x 106 psi

Shear Strength

140 MPa 20 x 103 psi

Tensile Strength: Ultimate (UTS)

240 MPa 34 x 103 psi

Tensile Strength: Yield (Proof)

190 MPa 28 x 103 psi

Thermal Properties

Latent Heat of Fusion

400 J/g

Maximum Temperature: Mechanical

190 °C 370 °F

Melting Completion (Liquidus)

650 °C 1200 °F

Melting Onset (Solidus)

600 °C 1110 °F

Specific Heat Capacity

900 J/kg-K 0.21 BTU/lb-°F

Thermal Conductivity

160 W/m-K 92 BTU/h-ft-°F

Thermal Expansion

23 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

41 % IACS

Electrical Conductivity: Equal Weight (Specific)

130 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Density

2.8 g/cm3 170 lb/ft3

Embodied Carbon

8.3 kg CO2/kg material

Embodied Energy

150 MJ/kg 66 x 103 BTU/lb

Embodied Water

1180 L/kg 140 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

15 MJ/m3

Resilience: Unit (Modulus of Resilience)

260 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

50 points

Strength to Weight: Axial

24 points

Strength to Weight: Bending

31 points

Thermal Diffusivity

64 mm2/s

Thermal Shock Resistance

10 points

Alloy Composition

Aluminum (Al)Al 95.2 to 98
Magnesium (Mg)Mg 1.0 to 1.5
Manganese (Mn)Mn 0.9 to 1.4
Iron (Fe)Fe 0 to 0.7
Chromium (Cr)Cr 0.1 to 0.3
Silicon (Si)Si 0 to 0.3
Zinc (Zn)Zn 0 to 0.25
Copper (Cu)Cu 0 to 0.25
Residualsres. 0 to 0.15

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984

EN 485-2: Aluminium and aluminium alloys. Sheet, strip and plate. Mechanical properties

ISO 6361-2: Wrought aluminium and aluminium alloys - Sheets, strips and plates - Part 2: Mechanical properties

EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products