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5652 Aluminum vs. S30815 Stainless Steel

5652 aluminum belongs to the aluminum alloys classification, while S30815 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 5652 aluminum and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 47 to 77
190
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 6.8 to 25
45
Fatigue Strength, MPa 60 to 140
320
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 110 to 170
480
Tensile Strength: Ultimate (UTS), MPa 190 to 290
680
Tensile Strength: Yield (Proof), MPa 74 to 260
350

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 190
1020
Melting Completion (Liquidus), °C 650
1400
Melting Onset (Solidus), °C 610
1360
Specific Heat Capacity, J/kg-K 900
490
Thermal Conductivity, W/m-K 140
15
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.6
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1190
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 39
260
Resilience: Unit (Modulus of Resilience), kJ/m3 40 to 480
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 20 to 30
25
Strength to Weight: Bending, points 27 to 36
22
Thermal Diffusivity, mm2/s 57
4.0
Thermal Shock Resistance, points 8.4 to 13
15

Alloy Composition

Aluminum (Al), % 95.8 to 97.7
0
Carbon (C), % 0
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0.15 to 0.35
20 to 22
Copper (Cu), % 0 to 0.040
0
Iron (Fe), % 0 to 0.4
62.8 to 68.4
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.010
0 to 0.8
Nickel (Ni), % 0
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.4
1.4 to 2.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0