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EN AC-42100 Aluminum vs. 771.0 Aluminum

Both EN AC-42100 aluminum and 771.0 aluminum are aluminum alloys. They have a moderately high 92% 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 EN AC-42100 aluminum and the bottom bar is 771.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
85 to 120
Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 3.4 to 9.0
1.7 to 6.5
Fatigue Strength, MPa 76 to 82
92 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 280 to 290
250 to 370
Tensile Strength: Yield (Proof), MPa 210 to 230
210 to 350

Thermal Properties

Latent Heat of Fusion, J/g 500
380
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 610
630
Melting Onset (Solidus), °C 600
620
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 150
140 to 150
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
82

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
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
4.4 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
310 to 900
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
46
Strength to Weight: Axial, points 30 to 31
23 to 35
Strength to Weight: Bending, points 37 to 38
29 to 39
Thermal Diffusivity, mm2/s 66
54 to 58
Thermal Shock Resistance, points 13
11 to 16

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
90.5 to 92.5
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.19
0 to 0.15
Magnesium (Mg), % 0.25 to 0.45
0.8 to 1.0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 6.5 to 7.5
0 to 0.15
Titanium (Ti), % 0 to 0.25
0.1 to 0.2
Zinc (Zn), % 0 to 0.070
6.5 to 7.5
Residuals, % 0
0 to 0.15

Comparable Variants