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3003 Aluminum vs. Chromium 33

3003 aluminum belongs to the aluminum alloys classification, while chromium 33 belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 3003 aluminum and the bottom bar is chromium 33.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 1.1 to 28
45
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
81
Tensile Strength: Ultimate (UTS), MPa 110 to 240
850
Tensile Strength: Yield (Proof), MPa 40 to 210
430

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Specific Heat Capacity, J/kg-K 900
480
Thermal Expansion, µm/m-K 23
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.1
6.0
Embodied Energy, MJ/kg 150
84
Embodied Water, L/kg 1180
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
320
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
450
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 24
30
Strength to Weight: Bending, points 18 to 30
25
Thermal Shock Resistance, points 4.7 to 10
21

Alloy Composition

Aluminum (Al), % 96.8 to 99
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 0.050 to 0.2
0.3 to 1.2
Iron (Fe), % 0 to 0.7
25.7 to 37.9
Manganese (Mn), % 1.0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0.5 to 2.0
Nickel (Ni), % 0
30 to 33
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0