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336.0 Aluminum vs. R30155 Cobalt

336.0 aluminum belongs to the aluminum alloys classification, while R30155 cobalt belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 336.0 aluminum and the bottom bar is R30155 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
220
Elastic (Young's, Tensile) Modulus, GPa 75
210
Elongation at Break, % 0.5
34
Fatigue Strength, MPa 80 to 93
310
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
81
Shear Strength, MPa 190 to 250
570
Tensile Strength: Ultimate (UTS), MPa 250 to 320
850
Tensile Strength: Yield (Proof), MPa 190 to 300
390

Thermal Properties

Latent Heat of Fusion, J/g 570
300
Maximum Temperature: Mechanical, °C 210
1100
Melting Completion (Liquidus), °C 570
1470
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 890
450
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Base Metal Price, % relative 11
80
Density, g/cm3 2.8
8.5
Embodied Carbon, kg CO2/kg material 7.9
9.7
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1010
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1 to 1.6
230
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
370
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 25 to 32
28
Strength to Weight: Bending, points 32 to 38
24
Thermal Diffusivity, mm2/s 48
3.2
Thermal Shock Resistance, points 12 to 16
21

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
0
Carbon (C), % 0
0.080 to 0.16
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 0 to 1.2
24.3 to 36.2
Magnesium (Mg), % 0.7 to 1.3
0
Manganese (Mn), % 0 to 0.35
1.0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 2.0 to 3.0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 11 to 13
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0.75 to 1.3
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.35
0