UNS R30003 (ASTM F1058 Grade 1) Alloy
Cobalt Alloys
annealed
Property Overview
Density8.4g/cm³
Elastic Modulus210GPa
Tensile Strength970MPa
Yield Strength510MPa
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0 to 0.15%
CR
19 to 21%
NI
14 to 16%
MO
6.0 to 8.0%
MN
1.5 to 2.5%
SI
0 to 1.2%
P
0 to 0.015%
S
0 to 0.015%
CO
39 to 41%
B
0 to 0.1%
FE
10 to 20.5%
Mechanical
Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
73 %
Fatigue Strength
320 MPa
Poisson's Ratio
0.29
Shear Modulus
83 GPa
Tensile Strength: Ultimate (UTS)
970 MPa
Tensile Strength: Yield (Proof)
510 MPa
Physical
Density
8.4 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Melting Completion (Liquidus)
1400 °C
Melting Onset (Solidus)
1440 °C
Specific Heat Capacity
450 J/kg-K
Thermal Conductivity
13 W/m-K
Thermal Diffusivity
3.3 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
26 points
Electrical
Electrical Conductivity: Equal Volume
2.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.1 % IACS
Calculated
Resilience: Unit (Modulus of Resilience)
600 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
32 points
Strength to Weight: Bending
26 points
Environmental
Base Metal Price
95 % relative
Embodied Carbon
8.0 kg CO 2 /kg material
Embodied Energy
110 MJ/kg
Embodied Energy
110 MJ/kg 45 x 10 3 BTU/lb
Embodied Water
400 L/kg
Embodied Water
400 L/kg 48 gal/lb
Registered Designations & Aliases
ASTM F1058 Grade 1R30003UNS R30003 (ASTM F1058 Grade 1) Alloy
Standards
ASTM F1058 ASTM F1058: Standard Specification for Wrought 40Cobalt-20Chromium-16Iron-15Nickel-7Molybdenum Alloy Wire and Strip for Surgical Implant Applications (UNS R30003 and UNS R30008)
ASTM F1058 ASTM F1058: Standard Specification for Wrought 40Cobalt-20Chromium-16Iron-15Nickel-7Molybdenum Alloy Wire and Strip for Surgical Implant Applications (UNS R30003 and UNS R30008) ISO 5832-7: Implants for Surgery - Metallic Materials - Part 7: Forgeable and Cold-Formed Cobalt-Chromium-Nickel-Molybdenum-Iron Alloy
ISO 5832-7 ISO 5832-7: Implants for Surgery - Metallic Materials - Part 7: Forgeable and Cold-Formed Cobalt-Chromium-Nickel-Molybdenum-Iron Alloy