CuNi12Zn24 | CW403J Material Datasheet - Properties - Materials Portal

CuNi12Zn24 | CW403J Material Datasheet

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Material Description

Material NumberMaterial Number (single)StandardRange of ApplicationStandard StatusCountryPredecessorRemark
CW403J (DIN EN 1654 : 2019-05) CW403J DIN EN 1654 : 2019-05Supersedes DIN EN 1654 : 1998-03ValidGermanyCuNi12Zn24Copper alloy strip for springs and connectors.

Chemical Composition

Cu [%]Fe [%]Mn [%]Ni [%]Pb [%]Sn [%]SourceRemark
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Mechanical Properties

Semi-finished ProductStrength AbbrevationNominal Size [mm]Temperature [°C]Tensile Strength [MPa]Yield Strength (0.2% offset) [MPa]Elongation A50 [%]Hardness HVSource
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Physical Properties

Temperature [°C]Density [g/cm³]Young's Modulus [GPa]Electric Conductivity [MS/m]Specific Electric Conductivity [% IACS]Source
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Young's Modulus [GPa] vs Temperature [°C]

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Cross Reference

Material NameCountryStandard
CuNi12Zn24EuropeEN 1652
C75700USAUNS
2.0730Germany 
Alpaka  
Alpaca  
Alpacca  
Argentan  
Cuivre blanc  
German silver  
Hotelsilber  
Maillechort  
Minargent  
Neusilber  
Nickel silver  
Packfong  
plata alemana  

Producer/Supplier/Trade names

TradenameSupplier
CuNi12Zn24Metalle Schmidt GmbH, Ratingen
CuNi12Zn24Wieland-Werke AG, Ulm

Material Compliance

REAChRoHS
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Formability - Bending - Folding

Semi-finished ProductStrength AbbrevationNominal Size [mm]Temperature [°C]Specimen DirectionBend FactorSource
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