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S20910 Stainless Steel vs. 535.0 Aluminum

S20910 stainless steel belongs to the iron alloys classification, while 535.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 S20910 stainless steel and the bottom bar is 535.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
70
Elastic (Young's, Tensile) Modulus, GPa 200
67
Elongation at Break, % 14 to 39
10
Fatigue Strength, MPa 310 to 460
70
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
25
Shear Strength, MPa 500 to 570
190
Tensile Strength: Ultimate (UTS), MPa 780 to 940
270
Tensile Strength: Yield (Proof), MPa 430 to 810
140

Thermal Properties

Latent Heat of Fusion, J/g 300
390
Maximum Temperature: Mechanical, °C 1080
170
Melting Completion (Liquidus), °C 1420
630
Melting Onset (Solidus), °C 1380
570
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 13
100
Thermal Expansion, µm/m-K 16
24

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 4.8
9.4
Embodied Energy, MJ/kg 68
160
Embodied Water, L/kg 180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
24
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 28 to 33
28
Strength to Weight: Bending, points 24 to 27
35
Thermal Diffusivity, mm2/s 3.6
42
Thermal Shock Resistance, points 17 to 21
12

Alloy Composition

Aluminum (Al), % 0
91.5 to 93.6
Beryllium (Be), % 0
0.0030 to 0.0070
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 52.1 to 62.1
0 to 0.15
Magnesium (Mg), % 0
6.2 to 7.5
Manganese (Mn), % 4.0 to 6.0
0.1 to 0.25
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0 to 0.15
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.1 to 0.25
Vanadium (V), % 0.1 to 0.3
0
Residuals, % 0
0 to 0.15