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A360.0 Aluminum vs. ASTM A302 Alloy Steel

A360.0 aluminum belongs to the aluminum alloys classification, while ASTM A302 alloy steel belongs to the iron alloys. There are 31 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 A360.0 aluminum and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.6 to 5.0
20 to 23
Fatigue Strength, MPa 82 to 150
250 to 280
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 180
370 to 390
Tensile Strength: Ultimate (UTS), MPa 180 to 320
590 to 620
Tensile Strength: Yield (Proof), MPa 170 to 260
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 530
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 680
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 110
39 to 51
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4 to 3.0
Density, g/cm3 2.6
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 7.8
1.5 to 1.6
Embodied Energy, MJ/kg 150
20 to 21
Embodied Water, L/kg 1070
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 13
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 470
330 to 410
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 19 to 34
21 to 22
Strength to Weight: Bending, points 27 to 39
20 to 21
Thermal Diffusivity, mm2/s 48
10 to 14
Thermal Shock Resistance, points 8.5 to 15
17 to 18