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Home/Compare/Cobalt Alloy/Phynox (Co-20Cr-15Ni-7Mo-Fe) annealed vs Stellite 6 (Co-28Cr-4W-1C) cast

Phynox (Co-20Cr-15Ni-7Mo-Fe) annealed vs Stellite 6 (Co-28Cr-4W-1C) cast

Property comparison of Phynox (Co-20Cr-15Ni-7Mo-Fe) annealed and Stellite 6 (Co-28Cr-4W-1C) cast, both cobalt alloy.

Cobalt Alloy3 compared properties
PropertyPhynox (Co-20Cr-15Ni-7Mo-Fe) annealedStellite 6 (Co-28Cr-4W-1C) castDifference
Density8,300 kg/m³8,440 kg/m³+2%
Coefficient of thermal expansion0.000015 1/K0.000012 1/K-21%
Melting point1,420 °C1,305 °C-8%

Difference is Stellite 6 (Co-28Cr-4W-1C) cast relative to Phynox (Co-20Cr-15Ni-7Mo-Fe) annealed. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.

Identification

Phynox (Co-20Cr-15Ni-7Mo-Fe) annealed
grade
R30003
standard
Aperam PHYNOX datasheet 2020 (ASTM F1058)
heat treatment
annealed
Stellite 6 (Co-28Cr-4W-1C) cast
grade
R30006
standard
Kennametal Stellite datasheet (Stellite 6 Alloy Technical Data)
heat treatment
as-cast

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