Crucible Steel Holder Block Steel, AISI 4150 Modified

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Crucible Steel Holder Block Steel, AISI 4150 Modified
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel
Material Notes:	Crucible Holder Block is a prehardened (26/30 HRC) free machining medium alloy steel intended for holders or backers for plastic molds, die casting dies, and cold or hot forming tools. It may also be used for light cold forming tools such as brake dies. Information provided by Crucible Industries
Key Words:	AISI 4150 Modified
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Physical Properties	Metric	English	Comments

Density	7.81 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	30 @Tempering Temp. 649 °C	30 @Tempering Temp. 1200 °F	oil quenched from 1525°F then tempered
	36 @Tempering Temp. 538 °C	36 @Tempering Temp. 1000 °F	oil quenched from 1525°F then tempered
	45 @Tempering Temp. 427 °C	45 @Tempering Temp. 800 °F	oil quenched from 1525°F then tempered
	53 @Tempering Temp. 316 °C	53 @Tempering Temp. 600 °F	oil quenched from 1525°F then tempered
	56 @Tempering Temp. 204 °C	56 @Tempering Temp. 400 °F	oil quenched from 1525°F then tempered
Modulus of Elasticity	200 GPa	29000 ksi
Charpy Impact	40.7 J @Tempering Temp. 510 °C	30.0 ft-lb @Tempering Temp. 950 °F	oil quenched from 1525°F then tempered
	67.8 J @Tempering Temp. 593 °C	50.0 ft-lb @Tempering Temp. 1100 °F	oil quenched from 1525°F then tempered
	74.6 J @Tempering Temp. 649 °C	55.0 ft-lb @Tempering Temp. 1200 °F	oil quenched from 1525°F then tempered
	94.9 J @Tempering Temp. 704 °C	70.0 ft-lb @Tempering Temp. 1300 °F	oil quenched from 1525°F then tempered

Thermal Properties	Metric	English	Comments
CTE, linear	11.7 µm/m-°C @Temperature 21.1 - 93.3 °C	6.50 µin/in-°F @Temperature 70.0 - 200 °F
	12.6 µm/m-°C @Temperature 21.1 - 204 °C	7.00 µin/in-°F @Temperature 70.0 - 400 °F
Thermal Conductivity	39.8 W/m-K @Temperature 93.3 °C	276 BTU-in/hr-ft²-°F @Temperature 200 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.50 %	0.50 %
Chromium, Cr	0.65 %	0.65 %
Iron, Fe	97 %	97 %	as balance
Manganese, Mn	1.25 %	1.25 %
Molybdenum, Mo	0.18 %	0.18 %
Silicon, Si	0.25 %	0.25 %
Sulfur, S	0.080 %	0.080 %

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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NCRUC918 / 160369

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