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CoCr20W15Ni | 2.4964 Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	VDA 231-106 classification
2.4964 (WL 2.4964-1 : 2012-10)	CoCr20W15Ni	2.4964	WL 2.4964-1 : 2012-10	Supersedes WL 2.4964-1 : 1977-01	Valid	Germany	CoCr20W15Ni	4.2	1)
1) Remark: High temperature cobalt alloy sheet and strip for aerospace application. It is scale resistant up to 1090°C. It is good resistant to corrosion and especially resistant to hot corrosion compared to highly heat resistant Ni alloys. Application: - afterburner, thrust nozzles, guide vanes, exhaust ducts to 815°C

Chemical Composition

C [%]	Cr [%]	Fe [%]	Mn [%]	Ni [%]	P [%]	S [%]	Si [%]	W [%]	Remainder
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Material Compliance

REACh	RoHS
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Mechanical Properties

Semi-finished Product	Condition	Condition Number	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A50 [%]
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Physical Properties

Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Mean Specific Heat Capacity [kJ/(kg*K)]	Electric Conductivity [MS/m]	Magnetizeability
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Welding and Joining

Procedure	Welding and Joining - Evaluation	Added Materials
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Creep Rupture Behaviour

Temperature [°C]	Creep Tensile Strength at 10² h [MPa]	Creep Tensile Strength at 3*10² h [MPa]	Creep Tensile Strength at 10³ h [MPa]	Creep Tensile Strength at 10^4 h [MPa]	0.2% Creep Limit at 10² h [MPa]	0.2% Creep Limit at 3*10² h [MPa]	0.2% Creep Limit at 10³ h [MPa]
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Heat Treatment

Semi-finished Product	Heat Treatment	Temperature [°C]	Medium
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Formability - Bending - Folding

Semi-finished Product	Condition	Condition Number	Nominal Size [mm]	Bend Factor (120°)	Bend Factor (180°)
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Cross Reference

Material Name	Country	Standard
CO-P92-HT	Europe	AECMA	1)
KC20WN	France	AIR 9162	1)
HR240	Great Britain	BS HR 240	1)
Type C 82	International	ISO TC 17/SC 4 Doc. 706	1)
L-605	USA	AMS 5537	1)
R30605	USA	UNS	2)
Alloy 25	USA		3)
Stellite 25	USA		3)
52Co-20Cr-10Ni-15W
1) Source: WL 2.4964-100 : 2012-10
2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
3) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
ATI L-605	ATI Europe, Düsseldorf	1)
Superimphy 25	Aperam Stainless Europe, Paris	1)
ALACRITE XSH	AUBERT & DUVAL Deutschland GmbH, München	1)
SY 25	AUBERT & DUVAL Deutschland GmbH, München	1)
Alloy L-605	Enpar Sonderwerkstoffe GmbH, Gummersbach	1)
VDM Alloy 25	VDM Metals GmbH, Werdohl	1)
Haynes 25 alloy	ZAPP AG, Ratingen	1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach