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850.0 Aluminum vs. EN 1.4466 Stainless Steel

850.0 aluminum belongs to the aluminum alloys classification, while EN 1.4466 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
210
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 7.9
42
Fatigue Strength, MPa 59
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Shear Strength, MPa 100
440
Tensile Strength: Ultimate (UTS), MPa 140
640
Tensile Strength: Yield (Proof), MPa 76
280

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 370
1380
Specific Heat Capacity, J/kg-K 850
470
Thermal Conductivity, W/m-K 180
14
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
28
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.5
5.0
Embodied Energy, MJ/kg 160
70
Embodied Water, L/kg 1160
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
220
Resilience: Unit (Modulus of Resilience), kJ/m3 42
200
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 12
22
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 69
3.7
Thermal Shock Resistance, points 6.1
14

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.7
45.6 to 52.9
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0.7 to 1.3
21 to 23
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Residuals, % 0 to 0.3
0