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7204 Aluminum vs. EN AC-42000 Aluminum

Both 7204 aluminum and EN AC-42000 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 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 7204 aluminum and the bottom bar is EN AC-42000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 11 to 13
1.1 to 2.4
Fatigue Strength, MPa 110 to 130
67 to 76
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 220 to 380
170 to 270
Tensile Strength: Yield (Proof), MPa 120 to 310
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 380
500
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 520
600
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
38
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.6
Embodied Carbon, kg CO2/kg material 8.4
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
2.8 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
64 to 370
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
53
Strength to Weight: Axial, points 21 to 36
18 to 28
Strength to Weight: Bending, points 28 to 40
26 to 35
Thermal Diffusivity, mm2/s 58
66
Thermal Shock Resistance, points 9.4 to 16
7.9 to 12

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
89.9 to 93.3
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.2
0 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.55
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 1.0 to 2.0
0.2 to 0.65
Manganese (Mn), % 0.2 to 0.7
0 to 0.35
Nickel (Ni), % 0
0 to 0.15
Silicon (Si), % 0 to 0.3
6.5 to 7.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.2
0 to 0.25
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0 to 0.15
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15

Comparable Variants