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850.0 Aluminum vs. S28200 Stainless Steel

850.0 aluminum belongs to the aluminum alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 850.0 aluminum and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
260
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 7.9
45
Fatigue Strength, MPa 59
430
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 100
610
Tensile Strength: Ultimate (UTS), MPa 140
870
Tensile Strength: Yield (Proof), MPa 76
460

Thermal Properties

Latent Heat of Fusion, J/g 380
290
Maximum Temperature: Mechanical, °C 190
900
Melting Completion (Liquidus), °C 650
1380
Melting Onset (Solidus), °C 370
1330
Specific Heat Capacity, J/kg-K 850
480
Thermal Expansion, µm/m-K 23
18

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 3.1
7.6
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 1160
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
330
Resilience: Unit (Modulus of Resilience), kJ/m3 42
540
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 44
26
Strength to Weight: Axial, points 12
32
Strength to Weight: Bending, points 19
27
Thermal Shock Resistance, points 6.1
17

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0.7 to 1.3
0.75 to 1.3
Iron (Fe), % 0 to 0.7
57.7 to 64.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0.7 to 1.3
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Residuals, % 0 to 0.3
0