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CuNi2Si | CW111C Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	Successor	VDA 231-106 classification
CW111C (DIN EN 12449 : 2019-12)	CuNi2Si	CW111C	DIN EN 12449 : 2019-12	DIN EN 12449 : 2019-12 replaced by DIN EN 12449 : 2023-08	Replaced	Germany	CuNi2Si	CuNi2Si	3.2	1)
1) Remark: Seamless, round tubes from copper alloy for general purposes.

Chemical Composition

Fe [%]	Mn [%]	Ni [%]	Pb [%]	Si [%]	Remainder
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Material Compliance

REACh	RoHS
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Mechanical Properties

Semi-finished Product	Condition	Strength Abbrevation	Nominal Size [mm]	Temperature [°C]	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A [%]	Hardness HB \| HBW	Hardness HV
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Physical Properties

Condition	Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Poisson's Ratio	Mean Coefficient of Thermal Expansion [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Mean Specific Heat Capacity [kJ/(kg*K)]	Electric Conductivity [MS/m]	Specific Electric Conductivity [% IACS]
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Cross Reference

Material Name	Country	Standard
CuNi2Si	Europe	EN 12449
C18000	USA	UNS	1)
2.0855	Germany	DIN 17666	2)
CuNi2Si	Germany	DIN 17666	2)
1) Source: Deutsches Kupferinstitut Berufsverband e.V., Düsseldorf
2) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename	Supplier
CuNi2Si	KME Mansfeld GmbH, Hettstedt
OF2400	OTTO FUCHS KG, Meinerzhagen
CuNi2Si	Wieland-Werke AG, Velbert
CuNi2Si	KME Germany GmbH, Osnabrück