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CuZn21Si3P | CW724R Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
CW724R (DIN EN 12420 : 2024-12) CW724R DIN EN 12420 : 2024-12 Supersedes DIN EN 12420 : 2014-09 Valid Germany CuZn21Si3P 3.2 1)
1) Remark: Copper-zinc alloy (special brass, multicomponent system) die and hand forgings. Hot working attitude: I

Chemical Composition

Al [%] Cu [%] Fe [%] Mn [%] Ni [%] P [%] Pb [%] Si [%] Sn [%]
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Mechanical Properties

Semi-finished Product Strength Abbrevation Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] 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
CuZn21Si3P Europe EN 12420
C69300 USA UNS
ECOBRASS
Cuphin

Producer/Supplier/Trade names

Tradename Supplier
430 Diehl Metall Stiftung & Co. KG, Röthenbach
OF2286 OTTO FUCHS KG, Meinerzhagen
CuZn21Si3P Saar-Metallwerke GmbH, Saarbrücken
SW1 Wieland-Werke AG, Ulm
CuZn21Si3P ZOLLERN GmbH & Co. KG, Sigmaringen