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319.0 Aluminum vs. SAE-AISI 1132 Steel

319.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1132 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 319.0 aluminum and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 78 to 84
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.8 to 2.0
14 to 18
Fatigue Strength, MPa 76 to 80
240 to 380
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 170 to 210
400 to 440
Tensile Strength: Ultimate (UTS), MPa 190 to 240
640 to 720
Tensile Strength: Yield (Proof), MPa 110 to 180
350 to 590

Thermal Properties

Latent Heat of Fusion, J/g 480
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 110
51
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 84
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.9
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
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
330 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 18 to 24
23 to 25
Strength to Weight: Bending, points 25 to 30
21 to 23
Thermal Diffusivity, mm2/s 44
14
Thermal Shock Resistance, points 8.6 to 11
19 to 22

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
0
Carbon (C), % 0
0.24 to 0.34
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.0
97.8 to 98.3
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
1.4 to 1.7
Nickel (Ni), % 0 to 0.35
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0
Sulfur (S), % 0
0.080 to 0.13
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0