CuNi18Zn20 | CW409J Material Datasheet

Unlock Exclusive Materials Data

Gain access to a wealth of materials data by joining our Materials Portal.

Register for Free or Upgrade for Full Access

Material Description

Material Number Material Number (single) Standard Scope Standard Status Country VDA 231-106 classification
CW409J (DIN EN 1654 : 1998-03) CW409J DIN EN 1654 : 1998-03 DIN EN 1654 : 1998-03 replaced by DIN EN 1654 : 2019-05 Replaced Germany 3.2 1)
1) Remark: Copper alloy strip for springs and connectors.

Chemical Composition

Cu [%] Fe [%] Mn [%] Ni [%] Pb [%] Sn [%]
blur blur blur blur blur blur 1)2)
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 A50 [%] Spring Bending Limit [MPa] Hardness HV
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
1) Source: blur

Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Electric Conductivity [MS/m] Specific Electric Conductivity [% IACS]
blur blur blur blur blur 1)2)
1) Source: blur
2) Remark: blur

Cross Reference

Material Name Country Standard
CuNi18Zn20 Europe EN 1652
C75200 USA UNS
2.0740 Germany
Alpaka
Alpaca
Alpacca
Argentan
Cuivre blanc
German silver
Hotelsilber
Maillechort
Minargent
Neusilber
Nickel silver
Packfong
plata alemana

Producer/Supplier/Trade names

Tradename Supplier
CuNi18Zn20 Metalle Schmidt GmbH, Ratingen
CuNi18Zn20 Wieland-Werke AG, Ulm

Material Compliance

REACh RoHS
blur blur

Formability - Bending - Folding

Semi-finished Product Strength Abbrevation Nominal Size [mm] Temperature [°C] Specimen Direction Bend Factor
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
1) Source: blur