C99600 Bronze vs. R30001 Cobalt

C99600 bronze belongs to the copper alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C99600 bronze and the bottom bar is R30001 cobalt.

UNS C99600 Manganese Bronze UNS R30001 Co-Cr-W Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		150
Elastic (Young's, Tensile) Modulus, GPa		220

Elongation at Break, %		27 to 34
Elongation at Break, %		1.0

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		56
Shear Modulus, GPa		86

Tensile Strength: Ultimate (UTS), MPa		560
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		240
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1100
Melting Completion (Liquidus), °C		1530

Melting Onset (Solidus), °C		1050
Melting Onset (Solidus), °C		1260

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		430

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Density, g/cm³		8.1
Density, g/cm³		9.0

Embodied Carbon, kg CO₂/kg material		3.2
Embodied Carbon, kg CO₂/kg material		8.9

Embodied Energy, MJ/kg		51
Embodied Energy, MJ/kg		130

Embodied Water, L/kg		300
Embodied Water, L/kg		460

Common Calculations

Stiffness to Weight: Axial, points		10
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		19
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		18

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		19

Alloy Composition

Aluminum (Al), %		1.0 to 2.8
Aluminum (Al), %		0

Carbon (C), %		0 to 0.050
Carbon (C), %		2.0 to 3.0

Chromium (Cr), %		0
Chromium (Cr), %		28 to 32

Cobalt (Co), %		0 to 0.2
Cobalt (Co), %		43 to 59

Copper (Cu), %		50.8 to 60
Copper (Cu), %		0

Iron (Fe), %		0 to 0.2
Iron (Fe), %		0 to 3.0

Lead (Pb), %		0 to 0.020
Lead (Pb), %		0

Manganese (Mn), %		39 to 45
Manganese (Mn), %		0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 1.0

Nickel (Ni), %		0 to 0.2
Nickel (Ni), %		0 to 3.0

Silicon (Si), %		0 to 0.1
Silicon (Si), %		0 to 2.0

Tin (Sn), %		0 to 0.1
Tin (Sn), %		0

Tungsten (W), %		0
Tungsten (W), %		11 to 13

Zinc (Zn), %		0 to 0.2
Zinc (Zn), %		0

Residuals, %		0 to 0.3
Residuals, %		0