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852.0 Aluminum vs. S39274 Stainless Steel

852.0 aluminum belongs to the aluminum alloys classification, while S39274 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 852.0 aluminum and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 64
270
Elastic (Young's, Tensile) Modulus, GPa 70
210
Elongation at Break, % 3.4
17
Fatigue Strength, MPa 73
380
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
81
Shear Strength, MPa 130
560
Tensile Strength: Ultimate (UTS), MPa 200
900
Tensile Strength: Yield (Proof), MPa 150
620

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 210
1430
Specific Heat Capacity, J/kg-K 840
470
Thermal Conductivity, W/m-K 180
16
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
24
Density, g/cm3 3.2
8.0
Embodied Carbon, kg CO2/kg material 8.5
4.3
Embodied Energy, MJ/kg 160
60
Embodied Water, L/kg 1150
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.2
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
940
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 43
25
Strength to Weight: Axial, points 17
32
Strength to Weight: Bending, points 24
26
Thermal Diffusivity, mm2/s 65
4.2
Thermal Shock Resistance, points 8.7
25

Alloy Composition

Aluminum (Al), % 86.6 to 91.3
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 1.7 to 2.3
0.2 to 0.8
Iron (Fe), % 0 to 0.7
57 to 65.6
Magnesium (Mg), % 0.6 to 0.9
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0.9 to 1.5
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
1.5 to 2.5
Residuals, % 0 to 0.3
0