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S64512 Stainless Steel vs. A357.0 Aluminum

S64512 stainless steel belongs to the iron alloys classification, while A357.0 aluminum belongs to the aluminum alloys. There are 31 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 S64512 stainless steel and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
100
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 17
3.7
Fatigue Strength, MPa 540
100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 700
240
Tensile Strength: Ultimate (UTS), MPa 1140
350
Tensile Strength: Yield (Proof), MPa 890
270

Thermal Properties

Latent Heat of Fusion, J/g 270
500
Maximum Temperature: Mechanical, °C 750
170
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1420
560
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 28
160
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
40
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 3.3
8.2
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 110
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
12
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
520
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 40
38
Strength to Weight: Bending, points 31
43
Thermal Diffusivity, mm2/s 7.5
68
Thermal Shock Resistance, points 42
17

Alloy Composition

Aluminum (Al), % 0
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 80.6 to 84.7
0 to 0.2
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0.5 to 0.9
0 to 0.1
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.35
6.5 to 7.5
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0.040 to 0.2
Vanadium (V), % 0.25 to 0.4
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15