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SAE-AISI 1074 Steel vs. 6162 Aluminum

SAE-AISI 1074 steel belongs to the iron alloys classification, while 6162 aluminum belongs to the aluminum alloys. There are 30 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 SAE-AISI 1074 steel and the bottom bar is 6162 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 11 to 14
6.7 to 9.1
Fatigue Strength, MPa 290 to 350
100 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
26
Shear Strength, MPa 440 to 490
170 to 180
Tensile Strength: Ultimate (UTS), MPa 740 to 820
290 to 300
Tensile Strength: Yield (Proof), MPa 450 to 570
260 to 270

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
620
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 50
190
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
50
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
170

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.3
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 46
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
19 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 860
510 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 26 to 29
29 to 30
Strength to Weight: Bending, points 23 to 25
36
Thermal Diffusivity, mm2/s 14
79
Thermal Shock Resistance, points 24 to 26
13

Alloy Composition

Aluminum (Al), % 0
96.7 to 98.9
Carbon (C), % 0.7 to 0.8
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 98.3 to 98.8
0 to 0.5
Magnesium (Mg), % 0
0.7 to 1.1
Manganese (Mn), % 0.5 to 0.8
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0.4 to 0.8
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15