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S20910 Stainless Steel vs. 364.0 Aluminum

S20910 stainless steel belongs to the iron alloys classification, while 364.0 aluminum belongs to the aluminum alloys. There are 28 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 364.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 14 to 39
7.5
Fatigue Strength, MPa 310 to 460
120
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
27
Shear Strength, MPa 500 to 570
200
Tensile Strength: Ultimate (UTS), MPa 780 to 940
300
Tensile Strength: Yield (Proof), MPa 430 to 810
160

Thermal Properties

Latent Heat of Fusion, J/g 300
520
Maximum Temperature: Mechanical, °C 1080
190
Melting Completion (Liquidus), °C 1420
600
Melting Onset (Solidus), °C 1380
560
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 13
120
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 4.8
8.0
Embodied Energy, MJ/kg 68
150
Embodied Water, L/kg 180
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
19
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 28 to 33
31
Strength to Weight: Bending, points 24 to 27
38
Thermal Diffusivity, mm2/s 3.6
51
Thermal Shock Resistance, points 17 to 21
14

Alloy Composition

Aluminum (Al), % 0
87.2 to 92
Beryllium (Be), % 0
0.020 to 0.040
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0.25 to 0.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 52.1 to 62.1
0 to 1.5
Magnesium (Mg), % 0
0.2 to 0.4
Manganese (Mn), % 4.0 to 6.0
0 to 0.1
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0 to 0.15
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
7.5 to 9.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15