Materials Portal Logo MATERIALS PORTAL

CuZn31Si1 | CW708R 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 Name Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
CW708R (DIN EN 12163 : 2024-12) CuZn31Si1 CW708R DIN EN 12163 : 2024-12 Supersedes DIN EN 12163 : 2016-11 Valid Germany CuZn31Si1 3.2 1)
1) Remark: Copper alloy rod for general purposes.

Chemical Composition

Cu [%] Fe [%] Ni [%] Pb [%] Si [%] Remainder
blur blur blur blur blur blur 1)2)
1) Source: blur
2) Remark: blur

Material Compliance

REACh RoHS
blur blur

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 Hardness HV
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
1) Source: blur

Physical Properties

Condition Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] 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)] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)] Electric Conductivity [MS/m] Specific Electric Conductivity [% IACS]
blur blur blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur blur blur blur blur 3)
blur blur blur blur blur blur blur blur blur blur blur blur 3)
1) Source: blur
2) Source: blur
3) Source: blur

Heat Treatment

Heat Treatment Temperature [°C]
blur blur 1)
blur blur 1)
blur blur 1)
1) Source: blur

Cross Reference

Material Name Country Standard
CuZn31Si1 Europe EN 12163
CuZn31Si1 International ISO 426-1 1)
C69800 USA UNS 1)
CuZn31Si1 Germany DIN 17660 2)
2.0490 Germany DIN 17660 2)
1) Source: Deutsches Kupferinstitut Berufsverband e.V., Düsseldorf
2) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename Supplier
CuZn31Si1 CSN Carl Schreiber GmbH, Neunkirchen
469 Diehl Metall Stiftung & Co. KG, Röthenbach
CuZn31Sn Manfred J.C. Niemann, Bremen
2268 OTTO FUCHS KG, Meinerzhagen
CuZn31Si Schreier Metall GmbH, Erkrath
3721 VDM Metals GmbH, Frankfurt/Main
Aeterna L 53 VDM Metals GmbH, Frankfurt/Main
CuZn31Si Wieland Metal Services Germany GmbH, Düsseldorf
CuZn31Si Wieland Metal Services Germany GmbH, Düsseldorf
S31 Wieland-Werke AG, Ulm
230 William Prym Holding GmbH, Stolberg
ZB 68 ZOLLERN GmbH & Co. KG, Sigmaringen