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EN AC-46000 Aluminum vs. ASTM A203 Steel

EN AC-46000 aluminum belongs to the aluminum alloys classification, while ASTM A203 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-46000 aluminum and the bottom bar is ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0
22 to 26
Fatigue Strength, MPa 110
210 to 280
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 270
520 to 590
Tensile Strength: Yield (Proof), MPa 160
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 530
250
Maximum Temperature: Mechanical, °C 180
410
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 530
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 100
52
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 82
8.5 to 8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.2 to 4.0
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 7.6
1.6 to 1.7
Embodied Energy, MJ/kg 140
21 to 23
Embodied Water, L/kg 1040
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
230 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 26
18 to 21
Strength to Weight: Bending, points 33
18 to 20
Thermal Diffusivity, mm2/s 42
14
Thermal Shock Resistance, points 12
15 to 17