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A357.0 Aluminum vs. S64512 Stainless Steel

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 90.8 to 93
0
Beryllium (Be), % 0.040 to 0.070
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.2
80.6 to 84.7
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.1
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), % 6.5 to 7.5
0 to 0.35
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.040 to 0.2
0
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0