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S20910 Stainless Steel vs. 6262A Aluminum

S20910 stainless steel belongs to the iron alloys classification, while 6262A 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 6262A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 14 to 39
4.5 to 11
Fatigue Strength, MPa 310 to 460
94 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 500 to 570
190 to 240
Tensile Strength: Ultimate (UTS), MPa 780 to 940
310 to 410
Tensile Strength: Yield (Proof), MPa 430 to 810
270 to 370

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1080
160
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1380
580
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 13
170
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 4.8
8.4
Embodied Energy, MJ/kg 68
150
Embodied Water, L/kg 180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
540 to 1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 28 to 33
31 to 41
Strength to Weight: Bending, points 24 to 27
36 to 44
Thermal Diffusivity, mm2/s 3.6
67
Thermal Shock Resistance, points 17 to 21
14 to 18

Alloy Composition

Aluminum (Al), % 0
94.2 to 97.8
Bismuth (Bi), % 0
0.4 to 0.9
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0.040 to 0.14
Copper (Cu), % 0
0.15 to 0.4
Iron (Fe), % 52.1 to 62.1
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 4.0 to 6.0
0 to 0.15
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
0.4 to 0.8
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.4 to 1.0
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15