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850.0 Aluminum vs. EN 1.8881 Steel

850.0 aluminum belongs to the aluminum alloys classification, while EN 1.8881 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 1.8881 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
250
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 7.9
16
Fatigue Strength, MPa 59
460
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 100
510
Tensile Strength: Ultimate (UTS), MPa 140
830
Tensile Strength: Yield (Proof), MPa 76
710

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Maximum Temperature: Mechanical, °C 190
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 370
1420
Specific Heat Capacity, J/kg-K 850
470
Thermal Conductivity, W/m-K 180
40
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.7
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.5
1.9
Embodied Energy, MJ/kg 160
26
Embodied Water, L/kg 1160
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
120
Resilience: Unit (Modulus of Resilience), kJ/m3 42
1320
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 44
24
Strength to Weight: Axial, points 12
29
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 69
11
Thermal Shock Resistance, points 6.1
24

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
0 to 1.5
Copper (Cu), % 0.7 to 1.3
0 to 0.3
Iron (Fe), % 0 to 0.7
91.9 to 100
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0.7 to 1.3
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0
0 to 0.0080
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0 to 0.3
0