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EN AC-42100 Aluminum vs. 712.0 Aluminum

Both EN AC-42100 aluminum and 712.0 aluminum are aluminum alloys. They have a moderately high 93% 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 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 3.4 to 9.0
4.5 to 4.7
Fatigue Strength, MPa 76 to 82
140 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 280 to 290
250 to 260
Tensile Strength: Yield (Proof), MPa 210 to 230
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 500
380
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 600
610
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
3.0
Embodied Carbon, kg CO2/kg material 8.0
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
11
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
240 to 270
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
46
Strength to Weight: Axial, points 30 to 31
24 to 25
Strength to Weight: Bending, points 37 to 38
30 to 31
Thermal Diffusivity, mm2/s 66
62
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
90.7 to 94
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.19
0 to 0.5
Magnesium (Mg), % 0.25 to 0.45
0.5 to 0.65
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 6.5 to 7.5
0 to 0.3
Titanium (Ti), % 0 to 0.25
0.15 to 0.25
Zinc (Zn), % 0 to 0.070
5.0 to 6.5
Residuals, % 0
0 to 0.2