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204.0 Aluminum vs. A444.0 Aluminum

Both 204.0 aluminum and A444.0 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 204.0 aluminum and the bottom bar is A444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 5.7 to 7.8
18
Fatigue Strength, MPa 63 to 77
37
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 230 to 340
160
Tensile Strength: Yield (Proof), MPa 180 to 220
66

Thermal Properties

Latent Heat of Fusion, J/g 390
500
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 580
590
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 19
22

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.6
Embodied Carbon, kg CO2/kg material 8.0
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
24
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 350
31
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
53
Strength to Weight: Axial, points 21 to 31
17
Strength to Weight: Bending, points 28 to 36
25
Thermal Diffusivity, mm2/s 46
68
Thermal Shock Resistance, points 12 to 18
7.3

Alloy Composition


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Aluminum (Al), % 93.4 to 95.5
91.6 to 93.5
Copper (Cu), % 4.2 to 5.0
0 to 0.1
Iron (Fe), % 0 to 0.35
0 to 0.2
Magnesium (Mg), % 0.15 to 0.35
0 to 0.050
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.2
6.5 to 7.5
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15