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CC484K Bronze vs. R30155 Cobalt

CC484K bronze belongs to the copper alloys classification, while R30155 cobalt belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC484K bronze and the bottom bar is R30155 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
220
Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 11
34
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
81
Tensile Strength: Ultimate (UTS), MPa 330
850
Tensile Strength: Yield (Proof), MPa 200
390

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 1000
1470
Melting Onset (Solidus), °C 870
1420
Specific Heat Capacity, J/kg-K 370
450
Thermal Conductivity, W/m-K 70
12
Thermal Expansion, µm/m-K 18
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
80
Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 3.9
9.7
Embodied Energy, MJ/kg 64
150
Embodied Water, L/kg 400
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
230
Resilience: Unit (Modulus of Resilience), kJ/m3 180
370
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 10
28
Strength to Weight: Bending, points 12
24
Thermal Diffusivity, mm2/s 22
3.2
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.1
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), % 84.5 to 87.5
0
Iron (Fe), % 0 to 0.2
24.3 to 36.2
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0 to 0.2
1.0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 1.5 to 2.5
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0.050 to 0.4
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tantalum (Ta), % 0
0.75 to 1.3
Tin (Sn), % 11 to 13
0
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.4
0