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2030 Aluminum vs. SAE-AISI H41 Steel

2030 aluminum belongs to the aluminum alloys classification, while SAE-AISI H41 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 2030 aluminum and the bottom bar is SAE-AISI H41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 370 to 420
710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Melting Completion (Liquidus), °C 640
1560
Melting Onset (Solidus), °C 510
1510
Specific Heat Capacity, J/kg-K 870
450
Thermal Conductivity, W/m-K 130
28
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
18
Density, g/cm3 3.1
8.1
Embodied Carbon, kg CO2/kg material 8.0
6.8
Embodied Energy, MJ/kg 150
97
Embodied Water, L/kg 1140
97

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 33 to 38
24 to 76
Strength to Weight: Bending, points 37 to 40
22 to 47
Thermal Diffusivity, mm2/s 50
7.7
Thermal Shock Resistance, points 16 to 19
20 to 64

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0 to 0.1
3.5 to 4.0
Copper (Cu), % 3.3 to 4.5
0
Iron (Fe), % 0 to 0.7
81.8 to 85
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.5 to 1.3
0
Manganese (Mn), % 0.2 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.8
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0