Phynox Cobalt-Chromium-Nickel Alloy

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Phynox Cobalt-Chromium-Nickel Alloy
Categories:	Metal; Nonferrous Metal; Cobalt Alloy
Material Notes:	This Cobalt-Chromium-Nickel alloy also known as Elgiloy® 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. This alloy is recommended where a high resistance to corrosion and / or low relaxation at temperatures up to 380°C are required. Applications include: Springs Seal components Medical devices Components for watches Aerospace applications Petro-chemical applications Marine engineering Information provided by Alloywire International.
Key Words:	UNS R30003, AMS 5833; ISO 5832; AMS 5834; NACE MR0175 / ISO 15156-3
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Physical Properties	Metric	English	Comments

Density	8.30 g/cc	0.300 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	800 - 1000 MPa	116000 - 145000 psi	Annealed
	1400 - 1900 MPa	203000 - 276000 psi	Spring Temper
	1900 - 2200 MPa	276000 - 319000 psi	Spring Temper + Age
Modulus of Elasticity	203.4 GPa	29500 ksi
Poissons Ratio	0.32	0.32	Calculated
Shear Modulus	77.0 GPa	11200 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	15.17 µm/m-°C @Temperature 0.000 - 500 °C	8.428 µin/in-°F @Temperature 32.0 - 932 °F
Melting Point	1427 °C	2601 °F
Maximum Service Temperature, Air	450 °C	842 °F
Minimum Service Temperature, Air	-185 °C	-301 °F

Processing Properties	Metric	English	Comments
Aging Temperature	520 °C	968 °F	3-5 hours; Spring Temper

Component Elements Properties	Metric	English	Comments
Chromium, Cr	19 - 21 %	19 - 21 %
Cobalt, Co	39 - 41 %	39 - 41 %
Iron, Fe	11.5 - 20.5 %	11.5 - 20.5 %	As Balance
Manganese, Mn	1.5 - 2.5 %	1.5 - 2.5 %
Molybdenum, Mo	6.0 - 8.0 %	6.0 - 8.0 %
Nickel, Ni	14 - 16 %	14 - 16 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NPHYNOX0 / 79837

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