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S42010 Stainless Steel vs. 355.0 Aluminum

S42010 stainless steel belongs to the iron alloys classification, while 355.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 S42010 stainless steel and the bottom bar is 355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 18
1.5 to 2.6
Fatigue Strength, MPa 220
55 to 70
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 370
150 to 240
Tensile Strength: Ultimate (UTS), MPa 590
200 to 260
Tensile Strength: Yield (Proof), MPa 350
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 280
470
Maximum Temperature: Mechanical, °C 800
180
Melting Completion (Liquidus), °C 1440
620
Melting Onset (Solidus), °C 1400
560
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 29
150 to 170
Thermal Expansion, µm/m-K 10
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
38 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
120 to 140

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.2
8.0
Embodied Energy, MJ/kg 30
150
Embodied Water, L/kg 110
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
2.7 to 5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 310
150 to 250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 21
20 to 27
Strength to Weight: Bending, points 20
28 to 33
Thermal Diffusivity, mm2/s 7.9
60 to 69
Thermal Shock Resistance, points 21
9.1 to 12

Alloy Composition

Aluminum (Al), % 0
90.3 to 94.1
Carbon (C), % 0.15 to 0.3
0
Chromium (Cr), % 13.5 to 15
0 to 0.25
Copper (Cu), % 0
1.0 to 1.5
Iron (Fe), % 80.9 to 85.6
0 to 0.6
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.4 to 0.85
0
Nickel (Ni), % 0.35 to 0.85
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
4.5 to 5.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15