Sandvik 2RK66 Spring Wire

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Sandvik 2RK66 Spring Wire
Categories:	Metal; Ferrous Metal; Special-Purpose Steel
Material Notes:	Sandvik 2RK66 is recommended for springs which will operate in extremely corrosive conditions. Service temperature: –200 to 300°C (-330 to 570°F) Information provided by Sandvik ASTM 904L; UNS N08904; EN 1.4539
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Physical Properties	Metric	English	Comments

Density	8.00 g/cc	0.289 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	>= 975 MPa	>= 141000 psi
Tensile Strength, Yield	>= 830 MPa @Strain 0.2 %	>= 120000 psi @Strain 0.2 %
Modulus of Elasticity	185 GPa	26800 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000940 ohm-cm @Temperature 20.0 °C	0.0000940 ohm-cm @Temperature 68.0 °F
Magnetic Permeability	1.004	1.004	µ

Thermal Properties	Metric	English	Comments
CTE, linear	15.5 µm/m-°C @Temperature 20.0 - 100 °C	8.61 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	0.460 J/g-°C @Temperature 50.0 - 100 °C	0.110 BTU/lb-°F @Temperature 122 - 212 °F
Thermal Conductivity	12.0 W/m-K @Temperature 20.0 °C	83.3 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Maximum Service Temperature, Air	300 °C	572 °F
Minimum Service Temperature, Air	-200 °C	-328 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.020 %	<= 0.020 %
Chromium, Cr	20 %	20 %
Copper, Cu	1.5 %	1.5 %
Iron, Fe	46.8 %	46.8 %	As Balance
Manganese, Mn	1.8 %	1.8 %
Molybdenum, Mo	4.5 %	4.5 %
Nickel, Ni	25 %	25 %
Phosphorus, P	<= 0.015 %	<= 0.015 %
Silicon, Si	0.40 %	0.40 %
Sulfur, S	<= 0.015 %	<= 0.015 %

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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NSANDV267 / 19161

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