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EN AC-42100 Aluminum vs. ASTM A283 Carbon Steel

EN AC-42100 aluminum belongs to the aluminum alloys classification, while ASTM A283 carbon 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 EN AC-42100 aluminum and the bottom bar is ASTM A283 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.4 to 9.0
26 to 34
Fatigue Strength, MPa 76 to 82
150 to 190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 280 to 290
360 to 480
Tensile Strength: Yield (Proof), MPa 210 to 230
180 to 260

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 910
470
Thermal Conductivity, W/m-K 150
51 to 53
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.6
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
91 to 180
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 30 to 31
13 to 17
Strength to Weight: Bending, points 37 to 38
14 to 17
Thermal Diffusivity, mm2/s 66
14
Thermal Shock Resistance, points 13
11 to 15