Latrobe Dynaflex® VAC-ARC High Strength Alloy Steel

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Latrobe Dynaflex® VAC-ARC High Strength Alloy Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; Medium Alloy Steel
Material Notes:	DYNAFLEX VAC-ARC steel is a medium alloyed, air hardening ultra high strength grade designed for structural applications requiring room temperature tensile strengths of 220,000 to 300,000 psi. Due to the secondary hardening feature exhibited by this alloy, stable elevated temperature properties are available up to Information Provided by Timken Latrobe Steel. Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
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Physical Properties	Metric	English	Comments

Density	7.81 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1790 MPa	260000 psi
Tensile Strength, Yield	1585 MPa @Strain 0.2 %	229900 psi @Strain 0.2 %	<150 in²
Reduction of Area	6.0 %	6.0 %
Modulus of Elasticity	207 GPa	30000 ksi
	159 GPa @Temperature 538 °C	23000 ksi @Temperature 1000 °F
	186 GPa @Temperature 204 °C	27000 ksi @Temperature 399 °F

Thermal Properties	Metric	English	Comments
CTE, linear	11.5 µm/m-°C @Temperature 21.0 - 204 °C	6.39 µin/in-°F @Temperature 69.8 - 399 °F
	13.1 µm/m-°C @Temperature 21.0 - 648 °C	7.28 µin/in-°F @Temperature 69.8 - 1200 °F
Specific Heat Capacity	0.460 J/g-°C @Temperature 0.000 - 100 °C	0.110 BTU/lb-°F @Temperature 32.0 - 212 °F

Processing Properties	Metric	English	Comments
Processing Temperature	815 °C	1500 °F	Critical Temperaure

Component Elements Properties	Metric	English	Comments
Carbon, C	0.40 %	0.40 %
Chromium, Cr	5.0 %	5.0 %
Iron, Fe	91.6 %	91.6 %
Manganese, Mn	0.30 %	0.30 %
Molybdenum, Mo	1.3 %	1.3 %
Silicon, Si	0.90 %	0.90 %
Vanadium, V	0.50 %	0.50 %

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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NTIMK045 / 19392

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