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333.0 Aluminum vs. EN 1.7720 Steel

333.0 aluminum belongs to the aluminum alloys classification, while EN 1.7720 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 333.0 aluminum and the bottom bar is EN 1.7720 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 110
180
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0 to 2.0
19
Fatigue Strength, MPa 83 to 100
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 230 to 280
590
Tensile Strength: Yield (Proof), MPa 130 to 210
340

Thermal Properties

Latent Heat of Fusion, J/g 520
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 590
1470
Melting Onset (Solidus), °C 530
1430
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 100 to 140
40
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26 to 35
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 83 to 110
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.8
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 7.6
2.2
Embodied Energy, MJ/kg 140
30
Embodied Water, L/kg 1040
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.1 to 4.6
97
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 290
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 22 to 27
21
Strength to Weight: Bending, points 29 to 34
20
Thermal Diffusivity, mm2/s 42 to 57
11
Thermal Shock Resistance, points 11 to 13
17

Alloy Composition

Aluminum (Al), % 81.8 to 89
0
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
0.3 to 0.5
Copper (Cu), % 3.0 to 4.0
0 to 0.3
Iron (Fe), % 0 to 1.0
96.6 to 98.6
Magnesium (Mg), % 0.050 to 0.5
0
Manganese (Mn), % 0 to 0.5
0.4 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.5
0 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 8.0 to 10
0 to 0.45
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0.22 to 0.3
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0