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B535.0 Aluminum vs. SAE-AISI 9254 Steel

B535.0 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 B535.0 aluminum and the bottom bar is SAE-AISI 9254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
200
Elastic (Young's, Tensile) Modulus, GPa 66
190
Elongation at Break, % 10
20
Fatigue Strength, MPa 62
280
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
72
Shear Strength, MPa 210
410
Tensile Strength: Ultimate (UTS), MPa 260
660
Tensile Strength: Yield (Proof), MPa 130
410

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 630
1440
Melting Onset (Solidus), °C 550
1400
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 96
46
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 82
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.2
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 9.4
1.5
Embodied Energy, MJ/kg 160
20
Embodied Water, L/kg 1180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 28
24
Strength to Weight: Bending, points 35
22
Thermal Diffusivity, mm2/s 40
12
Thermal Shock Resistance, points 11
20

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0
Carbon (C), % 0
0.51 to 0.59
Chromium (Cr), % 0
0.6 to 0.8
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.15
96.1 to 97.1
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
0.6 to 0.8
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.15
1.2 to 1.6
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0