Bohler-Uddeholm UDDEHOLM VANADIS 4 EXTRA® Powder Metallurgically Produced Tool Steel

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Bohler-Uddeholm UDDEHOLM VANADIS 4 EXTRA® Powder Metallurgically Produced Tool Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; Tool Steel
Material Notes:	Description: Uddeholm Vanadis 4 Extra is a chromiummolybdenum-vanadium alloyed steel Vanadis 4 Extra is characterized by: Very good ductility High abrasive-adhesive wear resistance High compressive strength Good dimensional stability during heat treatment and in service Very good through hardening properties Good temper back resistance Good machinability and grindability Applications:Uddeholm Vanadis 4 Extra is especially suitable for applications where adhesive wear and/or chipping are the dominating failure mechanisms, i.e.with soft/adherent materials such as austenitic stainless steel, mild steel, copper, aluminium, etc.as work material; with thicker work material and high strength work materials. Uddeholm Vanadis 4 Extra is however also very suitable for blanking and forming of Ultra High Strength Steel Sheet, these materials place high demands on the tool steel regarding abrasive wear resistance and ductility.
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Physical Properties	Metric	English	Comments

Density	7.70 g/cc	0.278 lb/in³	hardened to 60 HRC

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	230	230	Soft annealed
Modulus of Elasticity	205 GPa	29800 ksi	(hardened to 60 HRC)
	185 GPa @Temperature 399 °C	26800 ksi @Temperature 750 °F	hardened to 60 HRC
	200 GPa @Temperature 199 °C	29000 ksi @Temperature 390 °F	hardened to 60 HRC
Impact Test	37.0 J	27.3 ft-lb	HRC 65, unnotched
	47.0 J	34.7 ft-lb	HRC 63, unnotched
	57.0 J	42.0 ft-lb	HRC 61, unnotched
	67.0 J	49.4 ft-lb	HRC 59, unnotched
	77.0 J	56.8 ft-lb	HRC 57, unnotched
	97.0 J	71.5 ft-lb	HRC 55, unnotched

Thermal Properties	Metric	English	Comments
CTE, linear	10.8 µm/m-°C @Temperature 199 °C	6.00 µin/in-°F @Temperature 390 °F	hardened to 60 HRC
	11.7 µm/m-°C @Temperature 399 °C	6.50 µin/in-°F @Temperature 750 °F	hardened to 60 HRC
Specific Heat Capacity	0.460 J/g-°C @Temperature 20.0 °C	0.110 BTU/lb-°F @Temperature 68.0 °F	hardened to 60 HRC
Thermal Conductivity	30.0 W/m-K @Temperature 199 °C	208 BTU-in/hr-ft²-°F @Temperature 390 °F	hardened to 60 HRC
	30.0 W/m-K @Temperature 399 °C	208 BTU-in/hr-ft²-°F @Temperature 750 °F	hardened to 60 HRC

Component Elements Properties	Metric	English	Comments
Carbon, C	1.4 %	1.4 %
Chromium, Cr	4.7 %	4.7 %
Iron, Fe	85.9 %	85.9 %	As Balance
Manganese, Mn	0.40 %	0.40 %
Molybdenum, Mo	3.5 %	3.5 %
Silicon, Si	0.40 %	0.40 %
Vanadium, V	3.7 %	3.7 %

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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NBUCOR14 / 15483

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