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1080 Aluminum vs. AISI 334 Stainless Steel

1080 aluminum belongs to the aluminum alloys classification, while AISI 334 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 1080 aluminum and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 4.6 to 40
34
Fatigue Strength, MPa 21 to 48
150
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 49 to 78
360
Tensile Strength: Ultimate (UTS), MPa 72 to 130
540
Tensile Strength: Yield (Proof), MPa 17 to 120
190

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 170
1000
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 640
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Expansion, µm/m-K 23
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
4.1
Embodied Energy, MJ/kg 160
59
Embodied Water, L/kg 1200
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.7 to 21
140
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
96
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 7.4 to 14
19
Strength to Weight: Bending, points 14 to 22
19
Thermal Shock Resistance, points 3.2 to 6.0
12

Alloy Composition

Aluminum (Al), % 99.8 to 100
0.15 to 0.6
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 0 to 0.030
0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
55.7 to 62.7
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0 to 1.0
Nickel (Ni), % 0
19 to 21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.030
0.15 to 0.6
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
0
Residuals, % 0 to 0.020
0