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3104-H38 Aluminum vs. 5182-H38 Aluminum

Both 3104-H38 aluminum and 5182-H38 aluminum are aluminum alloys. Both are furnished in the H38 temper. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is 3104-H38 aluminum and the bottom bar is 5182-H38 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 1.1
1.1
Fatigue Strength, MPa 100
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 170
220
Tensile Strength: Ultimate (UTS), MPa 300
390
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
590
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
28
Electrical Conductivity: Equal Weight (Specific), % IACS 130
94

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 420
710
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 30
40
Strength to Weight: Bending, points 36
44
Thermal Diffusivity, mm2/s 64
53
Thermal Shock Resistance, points 13
17

Alloy Composition


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Aluminum (Al), % 95.1 to 98.4
93.2 to 95.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.050 to 0.25
0 to 0.15
Gallium (Ga), % 0 to 0.050
0
Iron (Fe), % 0 to 0.8
0 to 0.35
Magnesium (Mg), % 0.8 to 1.3
4.0 to 5.0
Manganese (Mn), % 0.8 to 1.4
0.2 to 0.5
Silicon (Si), % 0 to 0.6
0 to 0.2
Titanium (Ti), % 0 to 0.1
0 to 0.1
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15