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4115-H18 Aluminum vs. 5182-H18 Aluminum

Both 4115-H18 aluminum and 5182-H18 aluminum are aluminum alloys. Both are furnished in the H18 temper. They have a very high 96% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 4115-H18 aluminum and the bottom bar is 5182-H18 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 68
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 130
220
Tensile Strength: Ultimate (UTS), MPa 220
390
Tensile Strength: Yield (Proof), MPa 190
320

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
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 140
94

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
4.2
Resilience: Unit (Modulus of Resilience), kJ/m3 270
770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 23
40
Strength to Weight: Bending, points 30
44
Thermal Diffusivity, mm2/s 66
53
Thermal Shock Resistance, points 9.9
17

Alloy Composition

Aluminum (Al), % 94.6 to 97.4
93.2 to 95.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.1 to 0.5
0 to 0.15
Iron (Fe), % 0 to 0.7
0 to 0.35
Magnesium (Mg), % 0.1 to 0.5
4.0 to 5.0
Manganese (Mn), % 0.6 to 1.2
0.2 to 0.5
Silicon (Si), % 1.8 to 2.2
0 to 0.2
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15