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444.0 Aluminum vs. ASTM A299 Steel

444.0 aluminum belongs to the aluminum alloys classification, while ASTM A299 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 444.0 aluminum and the bottom bar is ASTM A299 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 25
21 to 22
Fatigue Strength, MPa 51
230 to 250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 190
590 to 620
Tensile Strength: Yield (Proof), MPa 83
330 to 360

Thermal Properties

Latent Heat of Fusion, J/g 500
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
51
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1110
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
110
Resilience: Unit (Modulus of Resilience), kJ/m3 49
290 to 350
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 20
21 to 22
Strength to Weight: Bending, points 28
20 to 21
Thermal Diffusivity, mm2/s 67
14
Thermal Shock Resistance, points 8.8
17 to 18