Latrobe DuraTech™ A11 Powder Metal Tool Steel (AISI A11)

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Latrobe DuraTech™ A11 Powder Metal Tool Steel (AISI A11)
Categories:	Metal; Ferrous Metal; Alloy Steel; Carbon Steel; High Carbon Steel; Tool Steel; Air-Hardening Steel
Material Notes:	DuraTech A11 powder metal tool steel a versatile air-hardening tool and die steel which provides extremely high wear resistance in combination with relatively high impact toughness. A very large volume of hard vanadium carbides provides the high wear resistance. The good impact toughness is the result of the fine grain size, small carbides, and superior cleanliness of the powder metallurgy (PM) microstructure. DuraTech A11 offers substantially better wear resistance than the high-carbon, high chromium die steels such as D2 and D7. 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

Specific Gravity	7.41 g/cc	7.41 g/cc
Density	7.39 g/cc	0.267 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	63	63	Oil Quenched from 1177°C; 5 minutes
	65	65	Oil Quenched from 1121°C; 20 minutes
	65	65	Oil Quenched from 1066°C; 45 minutes
Modulus of Elasticity	221 GPa	32000 ksi
Machinability	35 - 40 %	35 - 40 %	1% Carbon Steel

Thermal Properties	Metric	English	Comments
CTE, linear	10.71 µm/m-°C @Temperature 21.0 - 100 °C	5.950 µin/in-°F @Temperature 69.8 - 212 °F
	12.31 µm/m-°C @Temperature 21.0 - 538 °C	6.839 µin/in-°F @Temperature 69.8 - 1000 °F

Processing Properties	Metric	English	Comments
Processing Temperature	838 °C	1540 °F	Critical Temperaure Ac1

Component Elements Properties	Metric	English	Comments
Carbon, C	2.45 %	2.45 %
Chromium, Cr	5.25 %	5.25 %
Iron, Fe	79.75 %	79.75 %
Manganese, Mn	0.50 %	0.50 %
Molybdenum, Mo	1.35 %	1.35 %
Silicon, Si	0.90 %	0.90 %
Vanadium, V	9.8 %	9.8 %

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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NTIMK125 / 19472

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