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2095 Aluminum vs. EN 1.3967 Stainless Steel

2095 aluminum belongs to the aluminum alloys classification, while EN 1.3967 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, 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 2095 aluminum and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 8.5
22
Fatigue Strength, MPa 200
240
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 700
690
Tensile Strength: Yield (Proof), MPa 610
350

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 210
1070
Melting Completion (Liquidus), °C 660
1430
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 910
470
Thermal Expansion, µm/m-K 23
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.6
4.8
Embodied Energy, MJ/kg 160
66
Embodied Water, L/kg 1470
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
130
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 65
24
Strength to Weight: Bending, points 59
22
Thermal Shock Resistance, points 31
15

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 21.5
Copper (Cu), % 3.9 to 4.6
0
Iron (Fe), % 0 to 0.15
50.3 to 57.8
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
4.0 to 6.0
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 0
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.12
0 to 1.0
Silver (Ag), % 0.25 to 0.6
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0 to 0.15
0