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CuNi12Zn24 | CW403J Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
CW403J (DIN EN 12167 : 2024-12) CW403J DIN EN 12167 : 2024-12 Supersedes DIN EN 12167 : 2016-11 Valid Germany CuNi12Zn24 3.2 1)
1) Remark: Copper alloy profiles and bars 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 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
CuNi12Zn24 Europe EN 12167
CuNi12Zn24 International ISO 430 1)
MNC12-24 Russia GOST 492 1)
MНЦ12-24 Russia ГОСТ 492 1)
C75700 USA UNS 1)
B151 UNS C75700 USA ASTM B151 1)
Ns6512 Germany 1)
CuNi12Zn24 Germany DIN 17663 2)
2.0730 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)