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EN AC-42100 Aluminum vs. 308.0 Aluminum

Both EN AC-42100 aluminum and 308.0 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-42100 aluminum and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
70
Elastic (Young's, Tensile) Modulus, GPa 70
73
Elongation at Break, % 3.4 to 9.0
2.0
Fatigue Strength, MPa 76 to 82
89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 280 to 290
190
Tensile Strength: Yield (Proof), MPa 210 to 230
110

Thermal Properties

Latent Heat of Fusion, J/g 500
470
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
620
Melting Onset (Solidus), °C 600
540
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 150
140
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
37
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.6
2.9
Embodied Carbon, kg CO2/kg material 8.0
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1110
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
3.3
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
83
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
47
Strength to Weight: Axial, points 30 to 31
18
Strength to Weight: Bending, points 37 to 38
25
Thermal Diffusivity, mm2/s 66
55
Thermal Shock Resistance, points 13
9.2

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
85.7 to 91
Copper (Cu), % 0 to 0.050
4.0 to 5.0
Iron (Fe), % 0 to 0.19
0 to 1.0
Magnesium (Mg), % 0.25 to 0.45
0 to 0.1
Manganese (Mn), % 0 to 0.1
0 to 0.5
Silicon (Si), % 6.5 to 7.5
5.0 to 6.0
Titanium (Ti), % 0 to 0.25
0 to 0.25
Zinc (Zn), % 0 to 0.070
0 to 1.0
Residuals, % 0
0 to 0.5