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850.0 Aluminum vs. EN 1.7380 Steel

850.0 aluminum belongs to the aluminum alloys classification, while EN 1.7380 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 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 7.9
19 to 20
Fatigue Strength, MPa 59
200 to 230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Shear Strength, MPa 100
330 to 350
Tensile Strength: Ultimate (UTS), MPa 140
540 to 550
Tensile Strength: Yield (Proof), MPa 76
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Maximum Temperature: Mechanical, °C 190
460
Melting Completion (Liquidus), °C 650
1470
Melting Onset (Solidus), °C 370
1430
Specific Heat Capacity, J/kg-K 850
470
Thermal Conductivity, W/m-K 180
39
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
3.8
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.5
1.8
Embodied Energy, MJ/kg 160
23
Embodied Water, L/kg 1160
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 42
230 to 280
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 44
24
Strength to Weight: Axial, points 12
19 to 20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 69
11
Thermal Shock Resistance, points 6.1
15 to 16

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
0
Carbon (C), % 0
0.080 to 0.14
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 0.7 to 1.3
0 to 0.3
Iron (Fe), % 0 to 0.7
94.6 to 96.6
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0.7 to 1.3
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.5
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