Bohler-Uddeholm AISI D2 Cold Work Tool Steel

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Bohler-Uddeholm AISI D2 Cold Work Tool Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; Tool Steel; Cold Work Steel
Material Notes:	AISI D2 is a high-carbon, high-chromium tool steel alloyed with molybdenum and vanadium AISI AD2 is characterized by: High wear resistance High compressive strength Good through-hardening properties High stability in hardening Good resistance to tempering-back Applications: AISI D2 is recommended for tools requiring very high wear resistance, combined with moderate toughness (shock-resistance). AISI D2 can be supplied in various finishes, including the hot-rolled, pre-machined and fine machined condition.
Key Words:	AISI D2; W.-Nr. 1.2379
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Physical Properties	Metric	English	Comments

Density	7.67 g/cc	0.277 lb/in³	hardened to 62 HRC
	7.61 g/cc @Temperature 399 °C	0.275 lb/in³ @Temperature 750 °F	hardened to 62 HRC
	7.64 g/cc @Temperature 199 °C	0.276 lb/in³ @Temperature 390 °F	hardened to 62 HRC

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	210	210	Soft annealed
Modulus of Elasticity	209.9 GPa	30450 ksi	(hardened to 62 HRC)
	180 GPa @Temperature 399 °C	26100 ksi @Temperature 750 °F	hardened to 62 HRC
	200 GPa @Temperature 199 °C	29000 ksi @Temperature 390 °F	hardened to 62 HRC
Compressive Yield Strength	1650 MPa	239000 psi	0.2%, hardened to 50 HRC
	1900 MPa	276000 psi	0.2%, hardened to 55 HRC
	2150 MPa	312000 psi	0.2%, hardened to 60 HRC
	2200 MPa	319000 psi	0.2%, hardened to 62 HRC

Thermal Properties	Metric	English	Comments
CTE, linear	11.2 µm/m-°C @Temperature 20.0 - 200 °C	6.20 µin/in-°F @Temperature 68.0 - 392 °F	high temp. tempering, hardened to 62 HRC
	12.1 µm/m-°C @Temperature 20.0 - 400 °C	6.70 µin/in-°F @Temperature 68.0 - 752 °F	high temp. tempering, hardened to 62 HRC
	12.2 µm/m-°C @Temperature 20.0 - 200 °C	6.80 µin/in-°F @Temperature 68.0 - 392 °F	low temp. tempering, hardened to 62 HRC
Specific Heat Capacity	0.460 J/g-°C @Temperature 20.0 °C	0.110 BTU/lb-°F @Temperature 68.0 °F	hardened to 62 HRC
Thermal Conductivity	20.0 W/m-K @Temperature 20.0 °C	139 BTU-in/hr-ft²-°F @Temperature 68.0 °F	hardened to 62 HRC
	21.0 W/m-K @Temperature 199 °C	146 BTU-in/hr-ft²-°F @Temperature 390 °F	hardened to 62 HRC
	23.0 W/m-K @Temperature 399 °C	160 BTU-in/hr-ft²-°F @Temperature 750 °F	hardened to 62 HRC

Component Elements Properties	Metric	English	Comments
Carbon, C	1.55 %	1.55 %
Chromium, Cr	11.8 %	11.8 %
Iron, Fe	84.35 %	84.35 %	As Balance
Manganese, Mn	0.40 %	0.40 %
Molybdenum, Mo	0.80 %	0.80 %
Silicon, Si	0.30 %	0.30 %
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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NBUCOR21 / 15490

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