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518.0 Aluminum vs. AISI 310 Stainless Steel

518.0 aluminum belongs to the aluminum alloys classification, while AISI 310 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 518.0 aluminum and the bottom bar is AISI 310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
180 to 220
Elastic (Young's, Tensile) Modulus, GPa 67
200
Elongation at Break, % 5.0
34 to 45
Fatigue Strength, MPa 140
240 to 280
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
78
Shear Strength, MPa 200
420 to 470
Tensile Strength: Ultimate (UTS), MPa 310
600 to 710
Tensile Strength: Yield (Proof), MPa 190
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 390
310
Maximum Temperature: Mechanical, °C 170
1040
Melting Completion (Liquidus), °C 620
1450
Melting Onset (Solidus), °C 560
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 98
15
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 9.4
4.3
Embodied Energy, MJ/kg 150
61
Embodied Water, L/kg 1160
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 270
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 32
21 to 25
Strength to Weight: Bending, points 38
20 to 22
Thermal Diffusivity, mm2/s 40
3.9
Thermal Shock Resistance, points 14
14 to 17

Alloy Composition

Aluminum (Al), % 88.1 to 92.5
0
Carbon (C), % 0
0 to 0.25
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 1.8
48.2 to 57
Magnesium (Mg), % 7.5 to 8.5
0
Manganese (Mn), % 0 to 0.35
0 to 2.0
Nickel (Ni), % 0 to 0.15
19 to 22
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.25
0