UNS R30035 (2.4999) Co-Ni-Cr-Mo Alloy

Cobalt Alloys

Material conditionannealed

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8.7g/cm³

Elastic Modulus220GPa

Tensile Strength900MPa

Yield Strength300MPa

Brinell HardnessUnknown

Maximum Service TemperatureUnknown

Weight Calculator

Chemical Composition

0 to 0.025%

19 to 21%

33 to 37%

9.0 to 10.5%

0 to 0.15%

0 to 0.015%

0 to 0.010%

0 to 1.0%

29.1 to 39%

0 to 0.015%

0 to 1.0%

Mechanical

Elastic (Young's, Tensile) Modulus

220 GPa

Elongation at Break

46 %

Fatigue Strength

170 MPa

Poisson's Ratio

0.29

Reduction in Area

74 %

Shear Modulus

84 GPa

Tensile Strength: Ultimate (UTS)

900 MPa

Tensile Strength: Yield (Proof)

300 MPa

Hardness

Rockwell B Hardness

Physical

Density

8.7 g/cm 3

Thermal

Latent Heat of Fusion

320 J/g

Melting Completion (Liquidus)

1440 °C

Melting Onset (Solidus)

1320 °C

Specific Heat Capacity

440 J/kg-K

Thermal Conductivity

11 W/m-K

Thermal Diffusivity

3.0 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

23 points

Electrical

Electrical Conductivity: Equal Volume

1.7 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.8 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

320 MJ/m 3

Resilience: Unit (Modulus of Resilience)

210 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

29 points

Strength to Weight: Bending

24 points

Environmental

Base Metal Price

100 % relative

Embodied Carbon

10 kg CO 2 /kg material

Embodied Energy

140 MJ/kg

Embodied Energy

140 MJ/kg 59 x 10 3 BTU/lb

Embodied Water

410 L/kg

Embodied Water

410 L/kg 49 gal/lb

Registered Designations & Aliases

2.4999R30035UNS R30035 (2.4999) Co-Ni-Cr-Mo Alloy

Standards

ASTM F562 ASTM F562: Standard Specification for Wrought 35Cobalt-35Nickel-20Chromium-10Molybdenum Alloy for Surgical Implant Applications (UNS R30035)

ASTM F688 ASTM F688: Standard Specification for Wrought Cobalt-35 Nickel-20 Chromium-10 Molybdenum Alloy Plate, Sheet, and Foil for Surgical Implants (UNS R30035)

ASTM F688 ASTM F688: Standard Specification for Wrought Cobalt-35 Nickel-20 Chromium-10 Molybdenum Alloy Plate, Sheet, and Foil for Surgical Implants (UNS R30035) ASTM F562: Standard Specification for Wrought 35Cobalt-35Nickel-20Chromium-10Molybdenum Alloy for Surgical Implant Applications (UNS R30035) ASTM F961: Standard Specification for 35Cobalt-35Nickel-20Chromium-10Molybdenum Alloy Forgings for Surgical Implants (UNS R30035) ISO 5832-6: Implants for Surgery - Metallic Materials - Part 6: Wrought Cobalt-Nickel-Chromium-Molybdenum Alloy

ASTM F961 ASTM F961: Standard Specification for 35Cobalt-35Nickel-20Chromium-10Molybdenum Alloy Forgings for Surgical Implants (UNS R30035)

ISO 5832-6 ISO 5832-6: Implants for Surgery - Metallic Materials - Part 6: Wrought Cobalt-Nickel-Chromium-Molybdenum Alloy