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EN AC-44300 Aluminum vs. SAE-AISI 94B30 Steel

EN AC-44300 aluminum belongs to the aluminum alloys classification, while SAE-AISI 94B30 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-44300 aluminum and the bottom bar is SAE-AISI 94B30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
150
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.1
25
Fatigue Strength, MPa 100
220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 270
500
Tensile Strength: Yield (Proof), MPa 150
300

Thermal Properties

Latent Heat of Fusion, J/g 570
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 580
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
39
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.5
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1050
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
250
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 36
18
Thermal Diffusivity, mm2/s 58
10
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0
0.28 to 0.33
Chromium (Cr), % 0
0.3 to 0.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 1.0
97 to 98.1
Manganese (Mn), % 0 to 0.55
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 10.5 to 13.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.25
0