Cobalt chrome

Cobalt Chrome

This non-magnetic cobalt, chromium and molybdenum based alloy offers high mechanical strength as well as high resistance to corrosion and fatigue.  It is commonly used in the orthopaedic industry to manufacture machined or forged parts intended for use in full joint replacements, but also in the manufacture of tailor-made dental prostheses.  It is generally supplied in a semi hot-worked condition or annealed to the required resistance, and in its low-carbon version (alloy 1 according to the reference standards).

The Co-Cr-Mo alloy is widely held to be difficult to machine, no matter the type of heat treatment it has undergone. The use of appropriate tools is therefore essential.

Key benefits
  • Corrosion resistance
  • Fatigue resistance
  • Biocompatibility
Standards
  • ASTM F1537
  • ISO 5832-12
  • ISO 22674
Forms available in stock
Diameter
  • 4 to 100 mm
Dimensions
  • 3000 mm approx.
Diameter
  • 98,5 mm
Thickness
  • 8 to 25 mm
Granulometry
  • Any kind of granulometry suitable to your machine

Chemical composition

Reference standard : ASTM F1537 Alloy 1
C
  • 0% min
  • 0,14% max
Cr
  • 26% min
  • 30% max
Mo
  • 5% min
  • 7% max
Ni
  • 0% min
  • 1% max
Fe
  • 0% min
  • 0,75% max
Si
  • 0% min
  • 1% max
Mn
  • 0% min
  • 1% max
N
  • 0% min
  • 0,25% max
Co
  • Balance
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Mechanical properties

Rm (Mpa)
1172
Rp 0,2 (Mpa)
827
Density (g/cm3)
8,3
A (%)
12