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5026 Aluminum vs. AISI 316 Stainless Steel

5026 aluminum belongs to the aluminum alloys classification, while AISI 316 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 5026 aluminum and the bottom bar is AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 5.1 to 11
8.0 to 55
Fatigue Strength, MPa 94 to 140
210 to 430
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 150 to 180
350 to 690
Tensile Strength: Ultimate (UTS), MPa 260 to 320
520 to 1180
Tensile Strength: Yield (Proof), MPa 120 to 250
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 210
590
Melting Completion (Liquidus), °C 650
1400
Melting Onset (Solidus), °C 510
1380
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.9
3.9
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 29
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 440
130 to 1820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 26 to 32
18 to 41
Strength to Weight: Bending, points 33 to 37
18 to 31
Thermal Diffusivity, mm2/s 52
4.1
Thermal Shock Resistance, points 11 to 14
11 to 26

Alloy Composition

Aluminum (Al), % 88.2 to 94.7
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.3
16 to 18
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 0.2 to 1.0
62 to 72
Magnesium (Mg), % 3.9 to 4.9
0
Manganese (Mn), % 0.6 to 1.8
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.55 to 1.4
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0 to 0.3
0
Residuals, % 0 to 0.15
0

Comparable Variants