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S20910 Stainless Steel vs. 710.0 Aluminum

S20910 stainless steel belongs to the iron alloys classification, while 710.0 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 710.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
75
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 14 to 39
2.2 to 3.6
Fatigue Strength, MPa 310 to 460
55 to 110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
26
Shear Strength, MPa 500 to 570
180
Tensile Strength: Ultimate (UTS), MPa 780 to 940
240 to 250
Tensile Strength: Yield (Proof), MPa 430 to 810
160

Thermal Properties

Latent Heat of Fusion, J/g 300
380
Maximum Temperature: Mechanical, °C 1080
170
Melting Completion (Liquidus), °C 1420
650
Melting Onset (Solidus), °C 1380
610
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 13
140
Thermal Expansion, µm/m-K 16
24

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 4.8
8.0
Embodied Energy, MJ/kg 68
150
Embodied Water, L/kg 180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
4.9 to 7.9
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
180 to 190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 28 to 33
23
Strength to Weight: Bending, points 24 to 27
29
Thermal Diffusivity, mm2/s 3.6
53
Thermal Shock Resistance, points 17 to 21
10 to 11

Alloy Composition

Aluminum (Al), % 0
90.5 to 93.1
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Copper (Cu), % 0
0.35 to 0.65
Iron (Fe), % 52.1 to 62.1
0 to 0.5
Magnesium (Mg), % 0
0.6 to 0.8
Manganese (Mn), % 4.0 to 6.0
0 to 0.050
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 to 0.25
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
6.0 to 7.0
Residuals, % 0
0 to 0.15