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CuNi2Si | CW111C Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
CW111C (DIN EN 12167 : 2024-12) CW111C DIN EN 12167 : 2024-12 Supersedes DIN EN 12167 : 2016-11 Valid Germany CuNi2Si 3.2 1)
1) Remark: Copper alloy profiles and bars for general purposes.

Chemical Composition

Fe [%] Mn [%] Ni [%] Pb [%] Si [%]
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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

Condition 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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Heat Treatment

Heat Treatment Temperature [°C]
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Cross Reference

Material Name Country Standard
CuNi2Si Europe EN 12167
CuNi2Si International ISO 1187 1)
C18000 USA UNS 1)
C64700 USA UNS 1)
B411 UNS C64700 USA ASTM B411 1)
2.0855 Germany DIN 17666 2)
CuNi2Si Germany DIN 17666 2)
1) Source: Deutsches Kupferinstitut Berufsverband e.V., Düsseldorf
2) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename Supplier
CuNi2Si Allmeson GmbH, Heusenstamm
CuNi2Si Auerhammer Vacuumgießerei GmbH, Aue
CuNi2Si CSN Carl Schreiber GmbH, Neunkirchen
OF2400 OTTO FUCHS KG, Meinerzhagen
CuNi2Si Schreier Metall GmbH, Erkrath
4720 VDM Metals GmbH, Frankfurt/Main
Kuprodur A VDM Metals GmbH, Frankfurt/Main
Coradur 2 Wieland Metal Services Germany GmbH, Düsseldorf
CuNi2Si Wieland Metal Services Germany GmbH, Düsseldorf
NSB ZOLLERN GmbH & Co. KG, Sigmaringen