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S40977 Stainless Steel vs. 213.0 Aluminum

S40977 stainless steel belongs to the iron alloys classification, while 213.0 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 S40977 stainless steel and the bottom bar is 213.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
85
Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 21
1.5
Fatigue Strength, MPa 200
93
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
28
Tensile Strength: Ultimate (UTS), MPa 510
190
Tensile Strength: Yield (Proof), MPa 310
130

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 720
170
Melting Completion (Liquidus), °C 1440
670
Melting Onset (Solidus), °C 1400
480
Specific Heat Capacity, J/kg-K 480
850
Thermal Conductivity, W/m-K 25
130
Thermal Expansion, µm/m-K 10
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
34
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
94

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
11
Density, g/cm3 7.8
3.2
Embodied Carbon, kg CO2/kg material 1.9
7.7
Embodied Energy, MJ/kg 27
140
Embodied Water, L/kg 97
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
2.5
Resilience: Unit (Modulus of Resilience), kJ/m3 250
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
44
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 6.7
49
Thermal Shock Resistance, points 18
8.0

Alloy Composition

Aluminum (Al), % 0
83.5 to 93
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
6.0 to 8.0
Iron (Fe), % 83.9 to 89.2
0 to 1.2
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.6
Nickel (Ni), % 0.3 to 1.0
0 to 0.35
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
1.0 to 3.0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 2.5
Residuals, % 0
0 to 0.5