UNS R30605 (L605, Alloy 25, 2.4964) Alloy

Cobalt Alloys

Material conditionannealed

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density9.6g/cm³

Elastic Modulus210GPa

Tensile Strength1130MPa

Yield Strength470MPa

Brinell HardnessUnknown

Maximum Service TemperatureUnknown

Weight Calculator

Chemical Composition

0.050 to 0.15%

19 to 21%

9.0 to 11%

1.0 to 2.0%

0 to 0.4%

0 to 0.040%

0 to 0.030%

46.4 to 57%

14 to 16%

0 to 3.0%

Mechanical

Elastic (Young's, Tensile) Modulus

210 GPa

Elongation at Break

34 %

Fatigue Strength

260 MPa

Poisson's Ratio

0.29

Shear Modulus

81 GPa

Tensile Strength: Ultimate (UTS)

1130 MPa

Tensile Strength: Yield (Proof)

470 MPa

Physical

Density

9.6 g/cm 3

Thermal

Latent Heat of Fusion

290 J/g

Melting Completion (Liquidus)

1410 °C

Melting Onset (Solidus)

1330 °C

Specific Heat Capacity

410 J/kg-K

Thermal Conductivity

9.6 W/m-K

Thermal Diffusivity

2.5 mm 2 /s

Thermal Expansion

12 µm/m-K

Thermal Shock Resistance

31 points

Electrical

Electrical Conductivity: Equal Volume

2.0 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.8 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

310 MJ/m 3

Resilience: Unit (Modulus of Resilience)

520 kJ/m 3

Stiffness to Weight: Axial

12 points

Stiffness to Weight: Bending

21 points

Strength to Weight: Axial

33 points

Strength to Weight: Bending

25 points

Environmental

Embodied Carbon

9.8 kg CO 2 /kg material

Embodied Energy

140 MJ/kg

Embodied Energy

140 MJ/kg 60 x 10 3 BTU/lb

Embodied Water

450 L/kg

Embodied Water

450 L/kg 53 gal/lb

Registered Designations & Aliases

2.4964Alloy 25L605R30605UNS R30605 (L605, Alloy 25, 2.4964) Alloy

Standards

ASTM F1091 ASTM F1091: Standard Specification for Wrought Cobalt-20Chromium-15Tungsten-10Nickel Alloy Surgical Fixation Wire (UNS R30605)

ASTM F90 ASTM F90: Standard Specification for Wrought Cobalt-20Chromium-15Tungsten-10Nickel Alloy for Surgical Implant Applications (UNS R30605)

ASTM F90 ASTM F90: Standard Specification for Wrought Cobalt-20Chromium-15Tungsten-10Nickel Alloy for Surgical Implant Applications (UNS R30605) ASTM F1091: Standard Specification for Wrought Cobalt-20Chromium-15Tungsten-10Nickel Alloy Surgical Fixation Wire (UNS R30605) ISO 5832-5: Implants for Surgery - Metallic Materials - Part 5: Wrought Cobalt-Chromium-Tungsten-Nickel Alloy

ISO 5832-5 ISO 5832-5: Implants for Surgery - Metallic Materials - Part 5: Wrought Cobalt-Chromium-Tungsten-Nickel Alloy