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6110 Aluminum vs. EN 1.4961 Stainless Steel

6110 aluminum belongs to the aluminum alloys classification, while EN 1.4961 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 6110 aluminum and the bottom bar is EN 1.4961 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 2.2
39
Fatigue Strength, MPa 120
190
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 290
420
Tensile Strength: Ultimate (UTS), MPa 500
610
Tensile Strength: Yield (Proof), MPa 500
220

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 170
890
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 600
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 170
16
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
21
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.2
4.0
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1170
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1770
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 51
22
Strength to Weight: Bending, points 51
20
Thermal Diffusivity, mm2/s 67
4.3
Thermal Shock Resistance, points 22
14

Alloy Composition

Aluminum (Al), % 94.4 to 98.4
0
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0.040 to 0.25
15 to 17
Copper (Cu), % 0.2 to 0.7
0
Iron (Fe), % 0 to 0.8
65.6 to 72.3
Magnesium (Mg), % 0.5 to 1.1
0
Manganese (Mn), % 0.2 to 0.7
0 to 1.5
Nickel (Ni), % 0
12 to 14
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.7 to 1.5
0.3 to 0.6
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0