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
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	7.80 g/cc	Estimated by MatWeb

Mechanical Properties	Original Value	Comments
Hardness, Brinell	334	Estimated from Rockwell C for 3000 kg load, 10 mm ball Brinell measurement.
Hardness, Knoop	363	Estimated from Rockwell C
Hardness, Rockwell C	36
Hardness, Vickers	349	Estimated from Rockwell C
Tensile Strength, Ultimate	1172 MPa
	1207 MPa @Temperature 177 °C
	1331 MPa @Temperature -54.0 °C
Tensile Strength, Yield	965 MPa	Offset not given
	896 MPa @Temperature 177 °C	Offset not given
	1103 MPa @Temperature -54.0 °C	Offset not given
Elongation at Break	16 %
	12 % @Temperature 177 °C
	18 % @Temperature -54.0 °C
Reduction of Area	66.5 %
	46 % @Temperature 177 °C
	63 % @Temperature -54.0 °C
Fracture Toughness	130 MPa-m½	K(Q)
Charpy Impact	130 J	V-notch
	55.0 J @Temperature -54.0 °C	V-notch
	155 J @Temperature 177 °C	V-notch

Thermal Properties	Original Value	Comments
CTE, linear	11.26 µm/m-°C @Temperature 24.0 - 93.0 °C
	12.06 µm/m-°C @Temperature 24.0 - 260 °C
	13.05 µm/m-°C @Temperature 24.0 - 538 °C

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

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NCARK0 / 15798

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