Material – ASTM F 90 R30605

Standard Specification for Cobalt-20 Chromium-15 Tungsten-10 Cobalt Alloy for Surgical Implant Applications

Group - Non-Ferrous Cobalt Alloys

Sub Group - ASTM F 90 R30605 Cobalt-20 Chromium-15 Tungsten-10 Cobalt Alloy for Surgical Implant Applications

Application - Intended for Valve, Pump, General Engineering, Automotive, Medical and other Industries

Grade Belongs to the Industry - Casting

Chemical Composition
CarbonC %0.050 - 0.150
ManganeseMn %1.000 - 2.000
SiliconSi %0.400 max.
PhosphorusP %0.040 max.
SulphurS %0.030 max.
ChromiumCr %19.000 - 21.000
NickelNi %9.000 - 11.000
TungstenW %14.000 - 16.000
IronFe %3.000 max.
CobaltCo %Balance
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Heat Treatment
As-Cast or Annealing
Mechanical Properties
Tensile Strength in Mpa860 min.
Yield Strength in Mpa310 min.
Elongation in %15 min.
Reduction of Area in %-
Hardness in BHN-
Impact in Joule-

Cross Reference Table

Material Standard Country Grade Belong to the Industry
R30605 UNS USA Casting
L-605 SAE USA Sheet, Strip, Foil and Plate
F2527 R30605 ASTM USA Sheet, Strip, Foil and Plate
5832-4 ISO International Casting
5832-5 ISO International Casting
7402-3 JIS Japan Casting
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