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EN AC-42100 Aluminum vs. 238.0 Aluminum

Both EN AC-42100 aluminum and 238.0 aluminum are aluminum alloys. They have 88% of their average alloy composition in common. There are 29 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 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
76
Elongation at Break, % 3.4 to 9.0
1.5
Fatigue Strength, MPa 76 to 82
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 280 to 290
210
Tensile Strength: Yield (Proof), MPa 210 to 230
170

Thermal Properties

Latent Heat of Fusion, J/g 500
430
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 600
510
Specific Heat Capacity, J/kg-K 910
840
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
67

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
3.4
Embodied Carbon, kg CO2/kg material 8.0
7.4
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1110
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
180
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 53
42
Strength to Weight: Axial, points 30 to 31
17
Strength to Weight: Bending, points 37 to 38
23
Thermal Diffusivity, mm2/s 66
37
Thermal Shock Resistance, points 13
9.1

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
81.9 to 84.9
Copper (Cu), % 0 to 0.050
9.5 to 10.5
Iron (Fe), % 0 to 0.19
1.0 to 1.5
Magnesium (Mg), % 0.25 to 0.45
0 to 0.25
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 6.5 to 7.5
3.6 to 4.4
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
1.0 to 1.5
Residuals, % 0 to 0.1
0