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S41050 Stainless Steel vs. 356.0 Aluminum

S41050 stainless steel belongs to the iron alloys classification, while 356.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 S41050 stainless steel and the bottom bar is 356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
55 to 75
Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 25
2.0 to 3.8
Fatigue Strength, MPa 160
55 to 75
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 300
140 to 190
Tensile Strength: Ultimate (UTS), MPa 470
160 to 240
Tensile Strength: Yield (Proof), MPa 230
100 to 190

Thermal Properties

Latent Heat of Fusion, J/g 270
500
Maximum Temperature: Mechanical, °C 720
170
Melting Completion (Liquidus), °C 1440
620
Melting Onset (Solidus), °C 1400
570
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 27
150 to 170
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
40 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
140 to 150

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.9
8.0
Embodied Energy, MJ/kg 27
150
Embodied Water, L/kg 97
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
3.2 to 8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 140
70 to 250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 17
17 to 26
Strength to Weight: Bending, points 17
25 to 33
Thermal Diffusivity, mm2/s 7.2
64 to 71
Thermal Shock Resistance, points 17
7.6 to 11

Alloy Composition

Aluminum (Al), % 0
90.1 to 93.3
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 84.2 to 88.9
0 to 0.6
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0 to 1.0
0 to 0.35
Nickel (Ni), % 0.6 to 1.1
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
6.5 to 7.5
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