Ovako X20NiCrAlMoV6-5-2-1* Hybrid Steel 60, 397A Steel, Aging, at 350°C

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Ovako X20NiCrAlMoV6-5-2-1* Hybrid Steel 60, 397A Steel, Aging, at 350°C
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	General Information: Hybrid Steel® is a low carbon steel containing a number of carefully controlled alloying elements, most importantly nickel, chromium, aluminium, molybdenum and vanadium. These enable it to develop its full properties after aging at elevated temperature (500–620°C). The chromium and aluminium content also improves corrosion resistance. The variant 297A is offered under the name Hybrid Steel 55 and the variant 397A is offered under the name Hybrid Steel 60. Hybrid Steel 55 - Engineering steel. Hybrid Steel 60 - Bearing steel. Maximum hardness after aging: Hybrid Steel 55, 55HRC. Hybrid Steel 60, 60HRC. Hybrid Steel offers superior mechanical and fatigue strength compared to conventional steel grades at elevated temperatures. Excellent elevated temperature strength Flexible hardness, achieved by an aging treatment in the temperature range 500–620°C Extremely good dimensional stability when aging is applied High uniformity of properties also for large components Good weldability, no preheating necessary Corrosion resistance comparable to AISI 440C The density for these grades is 7582 kg/m3. Information provided by Ovako
Key Words:	X20NiCrAlMoV6-5-2-1, X30NiCrAlMoV6-5-2-1 , Ovako297A, Ovako397A
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength	1610 MPa	All formats
Tensile Strength, Yield	>= 1420 MPa	All formats
Elongation at Break	10.3 %	All formats
Reduction of Area	55 %	All formats
Modulus of Elasticity	210 GPa
Poissons Ratio	0.30
Shear Modulus	80.0 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000200 - 0.00000250 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	12.0 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.460 - 0.480 J/g-°C @Temperature 50.0 - 100 °C
Thermal Conductivity	40.0 - 45.0 W/m-K	Ambient temperature
Transformation Temperature	350 °C	MS
	800 °C	AC1
	950 °C	AC3

Component Elements Properties	Original Value	Comments
Aluminum, Al	2.0 - 2.4 %
Carbon, C	0.25 - 0.31 %
Chromium, Cr	4.8 - 5.2 %
Iron, Fe	83.92 - 85.9 %	As Balance
Manganese, Mn	0.20 - 0.40 %
Molybdenum, Mo	0.60 - 0.80 %
Nickel, Ni	5.8 - 6.2 %
Phosphorus, P	<= 0.015 %
Silicon, Si	<= 0.20 %
Sulfur, S	<= 0.0010 %
Vanadium, V	0.45 - 0.55 %

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 go back to viewing the property data in MatWeb's normal format.

NOVAKO431 / 234730

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