Carpenter Extendo-Die® Hot Work Die Steel, Tempered 621°C

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Carpenter Extendo-Die® Hot Work Die Steel, Tempered 621°C
Categories:	Metal; Ferrous Metal; Tool Steel; Air-Hardening Steel; Hot Work Steel
Material Notes:	Data provided by Carpenter Technology Corporation. This steel combines extreme toughness with good red hardness in large section sizes. This alloy may also be considered for many cold work applications where H13 is used, particularly in large section size applications. Extendo-Die® hot work die steel can be water cooled in service. Extendo-Die® is a registered trademark of Carpenter Technology Corporation.
Key Words:	UNS K92580
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Physical Properties	Metric	English	Comments

Density	7.72 g/cc	0.279 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	395	395	Estimated from Rockwell C for 3000 kg load, 10 mm ball Brinell measurement.
Hardness, Knoop	431	431	Estimated from Rockwell C
Hardness, Rockwell C	42.5	42.5
Hardness, Vickers	413	413	Estimated from Rockwell C
Tensile Strength, Ultimate	1450 MPa	210000 psi
Tensile Strength, Yield	1200 MPa @Strain 0.2 %	174000 psi @Strain 0.2 %
Elongation at Break	12 %	12 %
Reduction of Area	40 %	40 %

Thermal Properties	Metric	English	Comments
CTE, linear	10.6 µm/m-°C @Temperature 24.0 - 93.0 °C	5.89 µin/in-°F @Temperature 75.2 - 199 °F
	12.6 µm/m-°C @Temperature 427 - 788 °C	7.00 µin/in-°F @Temperature 801 - 1450 °F
	13.1 µm/m-°C @Temperature 24.0 - 649 °C	7.28 µin/in-°F @Temperature 75.2 - 1200 °F
Transformation Temperature	857 °C	1570 °F	Ac₁

Component Elements Properties	Metric	English	Comments
Carbon, C	0.44 %	0.44 %
Chromium, Cr	6.0 %	6.0 %
Iron, Fe	89 %	89 %	as remainder
Manganese, Mn	0.45 %	0.45 %
Molybdenum, Mo	1.9 %	1.9 %
Silicon, Si	1.0 %	1.0 %
Sulfur, S	<= 0.0050 %	<= 0.0050 %
Vanadium, V	0.80 %	0.80 %

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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NCARM2 / 15837

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