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850.0 Aluminum vs. EN 1.4611 Stainless Steel

850.0 aluminum belongs to the aluminum alloys classification, while EN 1.4611 stainless steel belongs to the iron alloys. There are 31 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 850.0 aluminum and the bottom bar is EN 1.4611 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
180
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 7.9
21
Fatigue Strength, MPa 59
180
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
78
Shear Strength, MPa 100
330
Tensile Strength: Ultimate (UTS), MPa 140
530
Tensile Strength: Yield (Proof), MPa 76
280

Thermal Properties

Latent Heat of Fusion, J/g 380
290
Maximum Temperature: Mechanical, °C 190
970
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 370
1390
Specific Heat Capacity, J/kg-K 850
480
Thermal Conductivity, W/m-K 180
21
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 3.1
7.7
Embodied Carbon, kg CO2/kg material 8.5
2.5
Embodied Energy, MJ/kg 160
36
Embodied Water, L/kg 1160
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
91
Resilience: Unit (Modulus of Resilience), kJ/m3 42
190
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 12
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 69
5.7
Thermal Shock Resistance, points 6.1
18

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
0 to 0.050
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0.7 to 1.3
0 to 0.5
Iron (Fe), % 0 to 0.7
73.3 to 80.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.7 to 1.3
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0.2 to 1.0
Residuals, % 0 to 0.3
0