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EN AC-42100 Aluminum vs. 204.0 Aluminum

Both EN AC-42100 aluminum and 204.0 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 (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 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
90 to 120
Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 3.4 to 9.0
5.7 to 7.8
Fatigue Strength, MPa 76 to 82
63 to 77
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 280 to 290
230 to 340
Tensile Strength: Yield (Proof), MPa 210 to 230
180 to 220

Thermal Properties

Latent Heat of Fusion, J/g 500
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
650
Melting Onset (Solidus), °C 600
580
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 140
87 to 100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
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
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
220 to 350
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
46
Strength to Weight: Axial, points 30 to 31
21 to 31
Strength to Weight: Bending, points 37 to 38
28 to 36
Thermal Diffusivity, mm2/s 66
46
Thermal Shock Resistance, points 13
12 to 18

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
93.4 to 95.5
Copper (Cu), % 0 to 0.050
4.2 to 5.0
Iron (Fe), % 0 to 0.19
0 to 0.35
Magnesium (Mg), % 0.25 to 0.45
0.15 to 0.35
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 6.5 to 7.5
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.25
0.15 to 0.3
Zinc (Zn), % 0 to 0.070
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants