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CuNi18Zn20 | CW409J Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
CW409J (DIN EN 12163 : 2024-12) CW409J DIN EN 12163 : 2024-12 Supersedes DIN EN 12163 : 2016-11 Valid Germany CuNi18Zn20 3.2 1)
1) Remark: Copper alloy rod for general purposes.

Chemical Composition

Cu [%] Fe [%] Mn [%] Ni [%] Pb [%] Sn [%]
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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 HB | HBW
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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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Cross Reference

Material Name Country Standard
CuNi18Zn20 Europe EN 12163
CuNi18Zn20 International ISO 430 1)
MNC18-20 Russia GOST 492 1)
MНЦ18-20 Russia ГОСТ 492 1)
B122 UNS C75200 USA ASTM B122 1)
B151 UNS C75200 USA ASTM B151 1)
C75200 USA UNS 1)
CuNi18Zn20 Germany DIN 17663 2)
2.0740 Germany DIN 17663 2)
Alpaka
Alpaca
Alpacca
Argentan
Cuivre blanc
German silver
Hotelsilber
Maillechort
Minargent
Neusilber
Nickel silver
Packfong
plata alemana
1) Source: Deutsches Kupferinstitut Berufsverband e.V., Düsseldorf
2) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename Supplier
CuNi18Zn20 CSN Carl Schreiber GmbH, Neunkirchen
CuNi18Zn20 Eugen Geyer GmbH, Königsbach-Stein
CuNi18Zn20 Feindrahtwerk Adolf Edelhoff GmbH & Co, Iserlohn
CuNi18Zn20 G.Rau GmbH & Co. KG, Pforzheim
CuNi18Zn20 Gebr. Kemper GmbH + Co, Olpe/Biggesee
CuNi18Zn20 Heraeus Deutschland GmbH & Co. KG, Hanau
CuNi18Zn20 J.G. Dahmen & Co. GmbH & Co. KG, Iserlohn
CuNi18Zn20 KME Germany GmbH, Osnabrück
CuNi18Zn20 Manfred J.C. Niemann, Bremen
CuNi18Zn20 Schreier Metall GmbH, Erkrath
NB18 Sundwiger Messingwerk GmbH & Co.KG, Hemer
ND18 Sundwiger Messingwerk GmbH & Co.KG, Hemer
Ns 62 18 Le Bronze alloys Germany GmbH, Lüdenscheid
4203 VDM Metals GmbH, Frankfurt/Main
Neusilber 62/18 VDM Metals GmbH, Frankfurt/Main
CuNi18Zn20 Wieland Metal Services Germany GmbH, Düsseldorf
N18 Wieland-Werke AG, Ulm
N19 Wieland-Werke AG, Ulm
N28 Wieland-Werke AG, Ulm
281 William Prym Holding GmbH, Stolberg