Phynox^* Specification
*Trade name of ArcelorMittal Stainless & Nickel Alloys

This Cobalt-Chromium-Nickel alloy gives a combination of high strength, ductility and good mechanical properties and is age hardenable. Phynox also has excellent fatigue life, corrosion resistance in numerous environments and is non-magnetic.
Use where a high resistance to corrosion and / or low relaxation at temperatures up to 380^oC (715^oF) are required. This alloy is used in medical devices, dental products, surgical implants and orthopedics.

Good Mechanical Properties at Elevated Temperatures	No
Corrosion Resistant at Ambient Temperatures	Yes
Corrosion Resistant & Good Mechanical Properties at Elevated Temperatures	Yes
Oxidation Resistant	Yes
Precipitation Hardenable	Yes

Approximate Chemical Composition
Co	39 - 41%
Cr	19 - 21%
Ni	14 - 16%
Mo	6 - 8%
Fe	BAL

Properties
DENSITY	8.3 g/cm3	0.300 lb/in3
MELTING POINT	1427oC	2600oF
COEFFICIENT OF EXPANSION	12.5 µm/m °C (20 - 100°C)	7.0 x 10-6 in/in °F (70 - 212°F)
MODULUS OF RIGIDITY	77 kN/mm2	11168 ksi
MODULUS OF ELASTICITY	203.4 kN/mm2	29501 ksi

CONDITION OF SUPPLY	HEAT TREATMENT (AFTER FORMING)
Annealed	Phynox cannot be age hardened in the annealed condition.
Spring Tempered	Age harden at 520°C (970°F) for 5 hours and air cool.

CONDITION	APPROX TENSILE STRENGTH		APPROX SERVICE TEMPERATURE
Annealed	800 - 1000 N/mm2	116 - 145 ksi	-185 to +450°C	-300 to +840°F
Spring Tempered	1400 - 1900 N/mm2	203 - 276 ksi	-185 to +450°C	-300 to +840°F
Spring Temper + Aged	1900 - 2200 N/mm2	276 - 319 ksi	-185 to +450°C	-300 to +840°F