The different between 3105-H14 Aluminum and 3105-H24 Aluminum

2019-03-05

Both 3105-H14 aluminum and 3105-H24 aluminum are variants of the same material. They share alloy composition and many physical properties, but develop different mechanical properties as a result of different processing.

For each property being compared, the top bar is 3105-H14 aluminum and the bottom bar is 3105-H24 aluminum.

Mechanical Properties

Brinell Hardness
48

47
Elastic (Young's, Tensile) Modulus, GPa
69

69
Elongation at Break, %
2.7

5.6
Fatigue Strength, MPa
69

74
Poisson's Ratio
0.33

0.33
Shear Modulus, GPa
26

26
Shear Strength, MPa
110

110
Tensile Strength: Ultimate (UTS), MPa
170

170
Tensile Strength: Yield (Proof), MPa
150

140


Thermal Properties

Latent Heat of Fusion, J/g
400

400
Maximum Temperature: Mechanical, °C
180

180
Melting Completion (Liquidus), °C
660

660
Melting Onset (Solidus), °C
640

640
Specific Heat Capacity, J/kg-K
900

900
Thermal Conductivity, W/m-K
170

170
Thermal Expansion, µm/m-K
24

24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS
44

44
Electrical Conductivity: Equal Weight (Specific), % IACS
140

140

Otherwise Unclassified Properties

Base Metal Price, % relative
9.5

9.5
Calomel Potential, mV
-750

-750
Density, g/cm3
2.8

2.8
Embodied Carbon, kg CO2/kg material
8.2

8.2
Embodied Energy, MJ/kg
150

150
Embodied Water, L/kg
1180

1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3
4.5

9.1
Resilience: Unit (Modulus of Resilience), kJ/m3
160

140
Stiffness to Weight: Axial, points
14

14
Stiffness to Weight: Bending, points
50

50
Strength to Weight: Axial, points
17

18
Strength to Weight: Bending, points
25

25
Thermal Diffusivity, m2/s
68

68
Thermal Shock Resistance, points
7.5

7.6


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