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6065 Aluminum vs. SAE-AISI 1035 Steel

6065 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1035 steel belongs to the iron 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 6065 aluminum and the bottom bar is SAE-AISI 1035 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.5 to 11
13 to 21
Fatigue Strength, MPa 96 to 110
210 to 340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 190 to 230
360 to 370
Tensile Strength: Ultimate (UTS), MPa 310 to 400
570 to 620
Tensile Strength: Yield (Proof), MPa 270 to 380
300 to 530

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
51
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
250 to 740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 31 to 40
20 to 22
Strength to Weight: Bending, points 36 to 43
19 to 21
Thermal Diffusivity, mm2/s 67
14
Thermal Shock Resistance, points 14 to 18
18 to 20

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
0
Bismuth (Bi), % 0.5 to 1.5
0
Carbon (C), % 0
0.32 to 0.38
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.7
98.6 to 99.08
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0