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213.0 Aluminum vs. S39274 Stainless Steel

213.0 aluminum belongs to the aluminum alloys classification, while S39274 stainless steel belongs to the iron alloys. There are 30 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 213.0 aluminum and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
270
Elastic (Young's, Tensile) Modulus, GPa 73
210
Elongation at Break, % 1.5
17
Fatigue Strength, MPa 93
380
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 28
81
Tensile Strength: Ultimate (UTS), MPa 190
900
Tensile Strength: Yield (Proof), MPa 130
620

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 670
1480
Melting Onset (Solidus), °C 480
1430
Specific Heat Capacity, J/kg-K 850
470
Thermal Conductivity, W/m-K 130
16
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 94
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 3.2
8.0
Embodied Carbon, kg CO2/kg material 7.7
4.3
Embodied Energy, MJ/kg 140
60
Embodied Water, L/kg 1090
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
140
Resilience: Unit (Modulus of Resilience), kJ/m3 120
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 16
32
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 49
4.2
Thermal Shock Resistance, points 8.0
25

Alloy Composition

Aluminum (Al), % 83.5 to 93
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 6.0 to 8.0
0.2 to 0.8
Iron (Fe), % 0 to 1.2
57 to 65.6
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.35
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 1.0 to 3.0
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 0 to 2.5
0
Residuals, % 0 to 0.5
0