Sandvik 11R51 Spring Wire

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Sandvik 11R51 Spring Wire
Categories:	Metal; Ferrous Metal; Special-Purpose Steel
Material Notes:	Compared with standard grades Sandvik 12R10/gusab T302, Sandvik 11R51 offers: higher tensile strength and tempering effect higher relaxation resistance, especially at elevated temperatures higher fatigue strength better corrosion resistance, through the addition of molybdenum Service temperature: -200 to 300°C (-330 to 570°F) Information provided by Sandvik ASTM 302; EN 1.4310
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Physical Properties	Metric	English	Comments

Density	7.90 g/cc	0.285 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1505 MPa @Diameter 7.00 - 8.50 mm	218300 psi @Diameter 0.276 - 0.335 in
	2530 MPa @Diameter 0.150 - 0.200 mm	367000 psi @Diameter 0.00591 - 0.00787 in
Tensile Strength, Yield	1280 MPa @Diameter 7.00 - 8.50 mm, Strain 0.2 %	186000 psi @Diameter 0.276 - 0.335 in, Strain 0.2 %
	2150 MPa @Diameter 0.150 - 0.200 mm, Strain 0.2 %	312000 psi @Diameter 0.00591 - 0.00787 in, Strain 0.2 %
Modulus of Elasticity	185 GPa	26800 ksi	as delivered
	190 GPa	27600 ksi	as tempered
Poissons Ratio	0.30	0.30	Calculated
Shear Modulus	71.0 GPa	10300 ksi	as received
	73.0 GPa	10600 ksi	as tempered

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000900 ohm-cm @Temperature 20.0 °C	0.0000900 ohm-cm @Temperature 68.0 °F
	0.0000950 ohm-cm @Temperature 100 °C	0.0000950 ohm-cm @Temperature 212 °F
	0.000100 ohm-cm @Temperature 200 °C	0.000100 ohm-cm @Temperature 392 °F
	0.000105 ohm-cm @Temperature 300 °C	0.000105 ohm-cm @Temperature 572 °F
Magnetic Permeability	35	35	µ

Thermal Properties	Metric	English	Comments
CTE, linear	17.0 µm/m-°C @Temperature 20.0 - 100 °C	9.44 µin/in-°F @Temperature 68.0 - 212 °F
	17.5 µm/m-°C @Temperature 20.0 - 200 °C	9.72 µin/in-°F @Temperature 68.0 - 392 °F
	18.5 µm/m-°C @Temperature 20.0 - 300 °C	10.3 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.500 J/g-°C @Temperature 50.0 - 100 °C	0.120 BTU/lb-°F @Temperature 122 - 212 °F
Thermal Conductivity	15.0 W/m-K @Temperature 20.0 °C	104 BTU-in/hr-ft²-°F @Temperature 68.0 °F
	16.0 W/m-K @Temperature 100 °C	111 BTU-in/hr-ft²-°F @Temperature 212 °F
	18.0 W/m-K @Temperature 200 °C	125 BTU-in/hr-ft²-°F @Temperature 392 °F
	19.0 W/m-K @Temperature 300 °C	132 BTU-in/hr-ft²-°F @Temperature 572 °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	0.080 %	0.080 %
Chromium, Cr	17 %	17 %
Iron, Fe	71.4 %	71.4 %	As Balance
Manganese, Mn	1.8 %	1.8 %
Molybdenum, Mo	0.70 %	0.70 %
Nickel, Ni	7.5 %	7.5 %
Phosphorus, P	<= 0.025 %	<= 0.025 %
Silicon, Si	1.5 %	1.5 %
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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