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C93200 Bronze vs. R30008 Cobalt

C93200 bronze belongs to the copper alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C93200 bronze and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 20
1.1 to 73
Fatigue Strength, MPa 110
320 to 530
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 38
83
Tensile Strength: Ultimate (UTS), MPa 240
950 to 1700
Tensile Strength: Yield (Proof), MPa 130
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 980
1400
Melting Onset (Solidus), °C 850
1330
Specific Heat Capacity, J/kg-K 360
450
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 32
95
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 3.2
8.1
Embodied Energy, MJ/kg 52
110
Embodied Water, L/kg 370
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 76
590 to 2720
Stiffness to Weight: Axial, points 6.5
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.5
31 to 56
Strength to Weight: Bending, points 9.7
25 to 37
Thermal Shock Resistance, points 9.3
25 to 44

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.35
0
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Copper (Cu), % 81 to 85
0
Iron (Fe), % 0 to 0.2
7.6 to 20
Lead (Pb), % 6.0 to 8.0
0
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 1.0
15 to 18
Phosphorus (P), % 0 to 1.5
0 to 0.015
Silicon (Si), % 0 to 0.0050
0 to 1.2
Sulfur (S), % 0 to 0.080
0 to 0.015
Tin (Sn), % 6.3 to 7.5
0
Zinc (Zn), % 2.0 to 4.0
0
Residuals, % 0 to 1.0
0