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CuNi18Zn20 | CW409J Material Datasheet

Material Test Series Values
Material Standard Values

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Material Description

Material Number	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	VDA 231-106 classification
CW409J (DIN EN 12166 : 2024-12)	CW409J	DIN EN 12166 : 2024-12	Supersedes DIN EN 12166 : 2016-11	Valid	Germany	CuNi18Zn20	3.2	1)
1) Remark: Wire fom copper alloy for general purposes.

Chemical Composition

Cu [%]	Fe [%]	Mn [%]	Ni [%]	Pb [%]	Sn [%]
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1) Source: blur
2) Remark: blur

Mechanical Properties

Semi-finished Product	Strength Abbrevation	Nominal Size [mm]	Temperature [°C]	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A100 [%]	Elongation A11,3 [%]	Elongation A [%]	Hardness HV
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1) Source: blur

Physical Properties

Temperature [°C]	Melting Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Poisson's Ratio	Mean Coefficient of Thermal Expansion [10^-6*K^-1]	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]	Specific Electric Conductivity [% IACS]
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1) Source: blur
2) Source: blur
3) Remark: blur
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Cross Reference

Material Name	Country	Standard
CuNi18Zn20	Europe	EN 12166
CuNi18Zn20	International	ISO 1638
B206 UNS C76400	USA	ASTM B206
CuNi18Zn20	Germany	DIN 17663	1)
2.0740	Germany	DIN 17663	1)
Alpaka
Alpaca
Alpacca
Argentan
Cuivre blanc
German silver
Hotelsilber
Minargent
Maillechort
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Neusilber
Nickel silver
Packfong
plata alemana
1) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename	Supplier
CuNi18Zn20	Amic, Bobigny
CuNi18Zn20	Feindrahtwerk Adolf Edelhoff GmbH & Co. KG, Iserlohn
CW409J	MECU Metallhalbzeug GmbH & Co. KG, Velbert
Wieland-N29	Wieland-Werke AG, Ulm
N29	Wieland-Werke AG, Ulm
N29	Wieland-Werke AG, Ulm