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EN 1.3967 Stainless Steel vs. 1080 Aluminum

EN 1.3967 stainless steel belongs to the iron alloys classification, while 1080 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 EN 1.3967 stainless steel and the bottom bar is 1080 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 22
4.6 to 40
Fatigue Strength, MPa 240
21 to 48
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 690
72 to 130
Tensile Strength: Yield (Proof), MPa 350
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1070
170
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1380
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 4.8
8.3
Embodied Energy, MJ/kg 66
160
Embodied Water, L/kg 180
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
4.7 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 310
2.1 to 100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 24
7.4 to 14
Strength to Weight: Bending, points 22
14 to 22
Thermal Shock Resistance, points 15
3.2 to 6.0

Alloy Composition

Aluminum (Al), % 0
99.8 to 100
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 21.5
0
Copper (Cu), % 0
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 50.3 to 57.8
0 to 0.15
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 4.0 to 6.0
0 to 0.020
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 15 to 17
0
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.030
Residuals, % 0
0 to 0.020