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308.0 Aluminum vs. SAE-AISI 1095 Steel

308.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1095 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 308.0 aluminum and the bottom bar is SAE-AISI 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 2.0
10 to 11
Fatigue Strength, MPa 89
310 to 370
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Shear Strength, MPa 150
400 to 540
Tensile Strength: Ultimate (UTS), MPa 190
680 to 900
Tensile Strength: Yield (Proof), MPa 110
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 470
240
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 620
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140
47
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 110
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 1080
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 83
660 to 930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 18
24 to 32
Strength to Weight: Bending, points 25
22 to 26
Thermal Diffusivity, mm2/s 55
13
Thermal Shock Resistance, points 9.2
22 to 29

Alloy Composition

Aluminum (Al), % 85.7 to 91
0
Carbon (C), % 0
0.9 to 1.0
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.0
98.4 to 98.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 5.0 to 6.0
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0