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S31277 Stainless Steel vs. A360.0 Aluminum

S31277 stainless steel belongs to the iron alloys classification, while A360.0 aluminum belongs to the aluminum alloys. There are 26 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 S31277 stainless steel and the bottom bar is A360.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
72
Elongation at Break, % 45
1.6 to 5.0
Fatigue Strength, MPa 380
82 to 150
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
27
Shear Strength, MPa 600
180
Tensile Strength: Ultimate (UTS), MPa 860
180 to 320
Tensile Strength: Yield (Proof), MPa 410
170 to 260

Thermal Properties

Latent Heat of Fusion, J/g 310
530
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1460
680
Melting Onset (Solidus), °C 1410
590
Specific Heat Capacity, J/kg-K 460
900
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 8.1
2.6
Embodied Carbon, kg CO2/kg material 6.7
7.8
Embodied Energy, MJ/kg 90
150
Embodied Water, L/kg 220
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
4.6 to 13
Resilience: Unit (Modulus of Resilience), kJ/m3 410
190 to 470
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 29
19 to 34
Strength to Weight: Bending, points 25
27 to 39
Thermal Shock Resistance, points 19
8.5 to 15

Alloy Composition


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Aluminum (Al), % 0
85.8 to 90.6
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 20.5 to 23
0
Copper (Cu), % 0.5 to 1.5
0 to 0.6
Iron (Fe), % 35.5 to 46.2
0 to 1.3
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0 to 3.0
0 to 0.35
Molybdenum (Mo), % 6.5 to 8.0
0
Nickel (Ni), % 26 to 28
0 to 0.5
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
9.0 to 10
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25