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332.0 Aluminum vs. SAE-AISI 9254 Steel

332.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 9254 steel belongs to the iron alloys. 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 332.0 aluminum and the bottom bar is SAE-AISI 9254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
200
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0
20
Fatigue Strength, MPa 90
280
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Shear Strength, MPa 190
410
Tensile Strength: Ultimate (UTS), MPa 250
660
Tensile Strength: Yield (Proof), MPa 190
410

Thermal Properties

Latent Heat of Fusion, J/g 530
270
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 580
1440
Melting Onset (Solidus), °C 530
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 100
46
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 84
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.2
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 7.8
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1040
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
450
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 31
22
Thermal Diffusivity, mm2/s 42
12
Thermal Shock Resistance, points 12
20

Alloy Composition

Aluminum (Al), % 80.1 to 89
0
Carbon (C), % 0
0.51 to 0.59
Chromium (Cr), % 0
0.6 to 0.8
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 0 to 1.2
96.1 to 97.1
Magnesium (Mg), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.5
0.6 to 0.8
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 8.5 to 10.5
1.2 to 1.6
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0