G-CoCr28 Cobalt vs. Grade M35-1 Nickel

G-CoCr28 cobalt belongs to the cobalt alloys classification, while grade M35-1 nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is grade M35-1 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		160

Elongation at Break, %		6.7
Elongation at Break, %		28

Fatigue Strength, MPa		130
Fatigue Strength, MPa		130

Poisson's Ratio		0.28
Poisson's Ratio		0.32

Shear Modulus, GPa		83
Shear Modulus, GPa		62

Tensile Strength: Ultimate (UTS), MPa		560
Tensile Strength: Ultimate (UTS), MPa		500

Tensile Strength: Yield (Proof), MPa		260
Tensile Strength: Yield (Proof), MPa		190

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		280

Maximum Temperature: Mechanical, °C		1200
Maximum Temperature: Mechanical, °C		900

Melting Completion (Liquidus), °C		1330
Melting Completion (Liquidus), °C		1280

Melting Onset (Solidus), °C		1270
Melting Onset (Solidus), °C		1240

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		430

Thermal Conductivity, W/m-K		8.5
Thermal Conductivity, W/m-K		22

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		100
Base Metal Price, % relative		55

Density, g/cm³		8.1
Density, g/cm³		8.8

Embodied Carbon, kg CO₂/kg material		6.2
Embodied Carbon, kg CO₂/kg material		8.2

Embodied Energy, MJ/kg		84
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		440
Embodied Water, L/kg		250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		31
Resilience: Ultimate (Unit Rupture Work), MJ/m³		110

Resilience: Unit (Modulus of Resilience), kJ/m³		160
Resilience: Unit (Modulus of Resilience), kJ/m³		120

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		10

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		19
Strength to Weight: Axial, points		16

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		16

Thermal Diffusivity, mm²/s		2.2
Thermal Diffusivity, mm²/s		5.7

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		17

Alloy Composition

Carbon (C), %		0.050 to 0.25
Carbon (C), %		0 to 0.35

Chromium (Cr), %		27 to 30
Chromium (Cr), %		0

Cobalt (Co), %		48 to 52
Cobalt (Co), %		0

Copper (Cu), %		0
Copper (Cu), %		26 to 33

Iron (Fe), %		9.7 to 24.5
Iron (Fe), %		0 to 3.5

Manganese (Mn), %		0 to 1.5
Manganese (Mn), %		0 to 1.5

Molybdenum (Mo), %		0 to 0.5
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 4.0
Nickel (Ni), %		59.8 to 74

Niobium (Nb), %		0 to 0.5
Niobium (Nb), %		0 to 0.5

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0.5 to 1.5
Silicon (Si), %		0 to 1.3

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.030