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6262 Aluminum vs. S64512 Stainless Steel

6262 aluminum belongs to the aluminum alloys classification, while S64512 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 6262 aluminum and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 4.6 to 10
17
Fatigue Strength, MPa 90 to 110
540
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 170 to 240
700
Tensile Strength: Ultimate (UTS), MPa 290 to 390
1140
Tensile Strength: Yield (Proof), MPa 270 to 360
890

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 160
750
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 580
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
28
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1190
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
180
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
2020
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 29 to 39
40
Strength to Weight: Bending, points 35 to 42
31
Thermal Diffusivity, mm2/s 69
7.5
Thermal Shock Resistance, points 13 to 18
42

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
0
Bismuth (Bi), % 0.4 to 0.7
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0.040 to 0.14
11 to 12.5
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.7
80.6 to 84.7
Lead (Pb), % 0.4 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.5 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.4 to 0.8
0 to 0.35
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.15
0
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0