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295.0 Aluminum vs. SAE-AISI 1108 Steel

295.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1108 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 295.0 aluminum and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 93
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 2.0 to 7.2
23 to 34
Fatigue Strength, MPa 44 to 55
170 to 260
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 180 to 230
250 to 280
Tensile Strength: Ultimate (UTS), MPa 230 to 280
380 to 440
Tensile Strength: Yield (Proof), MPa 100 to 220
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 530
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 140
52
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2 to 13
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 340
130 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 21 to 26
13 to 16
Strength to Weight: Bending, points 27 to 32
15 to 16
Thermal Diffusivity, mm2/s 54
14
Thermal Shock Resistance, points 9.8 to 12
12 to 14

Alloy Composition

Aluminum (Al), % 91.4 to 95.3
0
Carbon (C), % 0
0.080 to 0.13
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.0
98.9 to 99.24
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.35
0.6 to 0.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.7 to 1.5
0
Sulfur (S), % 0
0.080 to 0.13
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0