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CuNi18Zn19Pb1 | CW408J Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor Successor VDA 231-106 classification
CW408J (DIN EN 12164 : 2016-11) CuNi18Zn19Pb1 CW408J DIN EN 12164 : 2016-11 DIN EN 12164 : 2016-11 replaced by DIN EN 12164 : 2024-12 Replaced Germany CuNi18Zn19Pb1 CuNi18Zn19Pb1 3.2 1)
1) Remark: Copper alloy rod for free machining purposes.

Chemical Composition

Cu [%] Fe [%] Mn [%] Ni [%] Pb [%] Sn [%] Remainder
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Material Compliance

REACh RoHS
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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] 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)] Electric Conductivity [MS/m] Specific Electric Conductivity [% IACS]
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Cross Reference

Material Name Country Standard
CuNi18Zn19Pb1 Europe EN 12164
CuNi18Zn19Pb1 International ISO 430 1)
CuNi18Zn19Pb1 Germany DIN 17663 2)
2.0790 Germany DIN 17663 2)
C76300 USA UNS
Alpaka
Alpaca
Alpacca
Argentan
Cuivre blanc
German silver
Hotelsilber
Minargent
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
CuNi18Zn19Pb1 Manfred J.C. Niemann, Bremen
N37 Wieland-Werke AG, Ulm