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6262A Aluminum vs. S41425 Stainless Steel

6262A aluminum belongs to the aluminum alloys classification, while S41425 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 6262A aluminum and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 4.5 to 11
17
Fatigue Strength, MPa 94 to 110
450
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 190 to 240
570
Tensile Strength: Ultimate (UTS), MPa 310 to 410
920
Tensile Strength: Yield (Proof), MPa 270 to 370
750

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 160
810
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 580
1410
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
16
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.4
2.9
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1190
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
150
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1000
1420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 31 to 41
33
Strength to Weight: Bending, points 36 to 44
27
Thermal Diffusivity, mm2/s 67
4.4
Thermal Shock Resistance, points 14 to 18
33

Alloy Composition

Aluminum (Al), % 94.2 to 97.8
0
Bismuth (Bi), % 0.4 to 0.9
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.040 to 0.14
12 to 15
Copper (Cu), % 0.15 to 0.4
0 to 0.3
Iron (Fe), % 0 to 0.7
74 to 81.9
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.5 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.4 to 0.8
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 0.4 to 1.0
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0