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383.0 Aluminum vs. ASTM A204 Steel

383.0 aluminum belongs to the aluminum alloys classification, while ASTM A204 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 383.0 aluminum and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 3.5
18 to 22
Fatigue Strength, MPa 150
200 to 220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 280
520 to 590
Tensile Strength: Yield (Proof), MPa 150
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 540
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 580
1470
Melting Onset (Solidus), °C 540
1420 to 1430
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 96
52
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 74
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 7.5
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1030
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 150
220 to 290
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 28
18 to 21
Strength to Weight: Bending, points 34
18 to 20
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 13
15 to 17