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242.0 Aluminum vs. 7204 Aluminum

Both 242.0 aluminum and 7204 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 242.0 aluminum and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 0.5 to 1.5
11 to 13
Fatigue Strength, MPa 55 to 110
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 150 to 240
130 to 220
Tensile Strength: Ultimate (UTS), MPa 180 to 290
220 to 380
Tensile Strength: Yield (Proof), MPa 120 to 220
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 210
210
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 530
520
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 130 to 170
150
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 44
39
Electrical Conductivity: Equal Weight (Specific), % IACS 96 to 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.1
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 3.4
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 340
110 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
47
Strength to Weight: Axial, points 16 to 26
21 to 36
Strength to Weight: Bending, points 23 to 32
28 to 40
Thermal Diffusivity, mm2/s 50 to 62
58
Thermal Shock Resistance, points 8.0 to 13
9.4 to 16

Alloy Composition

Aluminum (Al), % 88.4 to 93.6
90.5 to 94.8
Chromium (Cr), % 0 to 0.25
0 to 0.3
Copper (Cu), % 3.5 to 4.5
0 to 0.2
Iron (Fe), % 0 to 1.0
0 to 0.35
Magnesium (Mg), % 1.2 to 1.8
1.0 to 2.0
Manganese (Mn), % 0 to 0.35
0.2 to 0.7
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.7
0 to 0.3
Titanium (Ti), % 0 to 0.25
0 to 0.2
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.35
4.0 to 5.0
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants