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2618A Aluminum vs. AISI 410Cb Stainless Steel

2618A aluminum belongs to the aluminum alloys classification, while AISI 410Cb stainless steel belongs to the iron 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 2618A aluminum and the bottom bar is AISI 410Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 4.5
15
Fatigue Strength, MPa 120
180 to 460
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 260
340 to 590
Tensile Strength: Ultimate (UTS), MPa 440
550 to 960
Tensile Strength: Yield (Proof), MPa 410
310 to 790

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 230
730
Melting Completion (Liquidus), °C 670
1450
Melting Onset (Solidus), °C 560
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 150
27
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 110
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.5
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.4
2.0
Embodied Energy, MJ/kg 150
29
Embodied Water, L/kg 1150
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
70 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
240 to 1600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 41
20 to 35
Strength to Weight: Bending, points 44
19 to 28
Thermal Diffusivity, mm2/s 59
7.3
Thermal Shock Resistance, points 19
20 to 35

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
0
Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 1.8 to 2.7
0
Iron (Fe), % 0.9 to 1.4
84.5 to 89
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0 to 1.0
Nickel (Ni), % 0.8 to 1.4
0
Niobium (Nb), % 0
0.050 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.15 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0