Carpenter Pyrowear® 53 Tool Steel, Core Tensile Properties

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Carpenter Pyrowear® 53 Tool Steel, Core Tensile Properties
Categories:	Metal; Ferrous Metal; Tool Steel; Oil-Hardening Steel
Material Notes:	Data provided by Carpenter Technology Corporation. This is a carburizing steel possessing good temper resistance and high case hot hardness while maintaining high core impact strength and fracture toughness. This alloy has been used in gears where temperature resistance is important. Pyrowear® is a registered trademark of Carpenter Technology Corporation.
Key Words:	UNS K71040
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³	Estimated by MatWeb

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	334	334	Estimated from Rockwell C for 3000 kg load, 10 mm ball Brinell measurement.
Hardness, Knoop	363	363	Estimated from Rockwell C
Hardness, Rockwell C	36	36
Hardness, Vickers	349	349	Estimated from Rockwell C
Tensile Strength, Ultimate	1172 MPa	170000 psi
	1207 MPa @Temperature 177 °C	175100 psi @Temperature 351 °F
	1331 MPa @Temperature -54.0 °C	193000 psi @Temperature -65.2 °F
Tensile Strength, Yield	965 MPa	140000 psi	Offset not given
	896 MPa @Temperature 177 °C	130000 psi @Temperature 351 °F	Offset not given
	1103 MPa @Temperature -54.0 °C	160000 psi @Temperature -65.2 °F	Offset not given
Elongation at Break	16 %	16 %
	12 % @Temperature 177 °C	12 % @Temperature 351 °F
	18 % @Temperature -54.0 °C	18 % @Temperature -65.2 °F
Reduction of Area	66.5 %	66.5 %
	46 % @Temperature 177 °C	46 % @Temperature 351 °F
	63 % @Temperature -54.0 °C	63 % @Temperature -65.2 °F
Fracture Toughness	130 MPa-m½	118 ksi-in½	K(Q)
Charpy Impact	130 J	95.9 ft-lb	V-notch
	55.0 J @Temperature -54.0 °C	40.6 ft-lb @Temperature -65.2 °F	V-notch
	155 J @Temperature 177 °C	114 ft-lb @Temperature 351 °F	V-notch

Thermal Properties	Metric	English	Comments
CTE, linear	11.26 µm/m-°C @Temperature 24.0 - 93.0 °C	6.256 µin/in-°F @Temperature 75.2 - 199 °F
	12.06 µm/m-°C @Temperature 24.0 - 260 °C	6.700 µin/in-°F @Temperature 75.2 - 500 °F
	13.05 µm/m-°C @Temperature 24.0 - 538 °C	7.250 µin/in-°F @Temperature 75.2 - 1000 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.10 %	0.10 %
Chromium, Cr	1.0 %	1.0 %
Copper, Cu	2.0 %	2.0 %
Iron, Fe	89.5 %	89.5 %	as remainder
Manganese, Mn	0.35 %	0.35 %
Molybdenum, Mo	3.25 %	3.25 %
Nickel, Ni	2.0 %	2.0 %
Silicon, Si	1.0 %	1.0 %
Vanadium, V	0.10 %	0.10 %

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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