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5050-H34 Aluminum vs. S64512 Stainless Steel

5050-H34 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 (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 5050-H34 aluminum and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 53
330
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 7.4
17
Fatigue Strength, MPa 90
540
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 120
700
Tensile Strength: Ultimate (UTS), MPa 190
1140
Tensile Strength: Yield (Proof), MPa 160
890

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 180
750
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 630
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 190
28
Thermal Expansion, µm/m-K 24
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 170
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.4
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1190
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
180
Resilience: Unit (Modulus of Resilience), kJ/m3 180
2020
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 20
40
Strength to Weight: Bending, points 27
31
Thermal Diffusivity, mm2/s 79
7.5
Thermal Shock Resistance, points 8.4
42

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0 to 0.1
11 to 12.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
80.6 to 84.7
Magnesium (Mg), % 1.1 to 1.8
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), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0