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333.0 Aluminum vs. EN 1.0308 Steel

333.0 aluminum belongs to the aluminum alloys classification, while EN 1.0308 steel belongs to the iron alloys. 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 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 110
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0 to 2.0
7.8 to 28
Fatigue Strength, MPa 83 to 100
140 to 200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Shear Strength, MPa 190 to 230
230 to 260
Tensile Strength: Ultimate (UTS), MPa 230 to 280
360 to 440
Tensile Strength: Yield (Proof), MPa 130 to 210
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 520
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 530
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 100 to 140
51
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26 to 35
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 83 to 110
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 7.6
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 1040
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.1 to 4.6
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 290
93 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 22 to 27
13 to 16
Strength to Weight: Bending, points 29 to 34
14 to 16
Thermal Diffusivity, mm2/s 42 to 57
14
Thermal Shock Resistance, points 11 to 13
11 to 14

Alloy Composition

Aluminum (Al), % 81.8 to 89
0
Carbon (C), % 0
0 to 0.17
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.0
98.2 to 100
Magnesium (Mg), % 0.050 to 0.5
0
Manganese (Mn), % 0 to 0.5
0 to 1.2
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 8.0 to 10
0 to 0.35
Sulfur (S), % 0
0 to 0.045
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0