Home Steel numbers Steel and cast iron standards Alloy standards Equivalent grades Search Russian steels About us
YOU HERE:   Alloy standards   ->   Copper - all grades         OR         Alloy standards   ->     /   EN 1654

  CuZn23Al3Co   ( CW703R )

    Grade :     CuZn23Al3Co
    Number:     CW703R
    Standard: EN 1654 : 1998   Copper and copper alloys. Strip for springs and connectors
    Classification:     Cupper alloy
    Density     8.2 g/cm ³
    Equivalent grades:     No information

Chemical composition %   of grade   CuZn23Al3Co   ( CW703R )
Fe Ni CoAl Cu PbSn Others -
max   0.05max   0.30.25 - 0.553 - 3.872 - 75max   0.05max   0.1 total 0.1 Zn - remainder

Mechanical properties of grade   CuZn23Al3Co   ( CW703R )

Rm - Tensile strength (MPa) (R660)660-750
Rm - Tensile strength (MPa) (R740)740-830

Rp0.2 0.2% proof strength (MPa) (R660)580
Rp0.2 0.2% proof strength (MPa) (R740)660

A - Min. elongation Lo = 50mm (%) (R660) 8-10
A - Min. elongation Lo = 50mm (%) (R740) 3

  Vickers hardness  ( HV):   (H190) (R660)190 - 220
  Vickers hardness  ( HV):   (H210) (R740)210 - 240

Properties CuZn23Al3Co
Modulus of elasticity = 115 kN/mm ²
Electrical conductivity = 10 MS/m;
Make Trip Photo Album
with 1000 tourist attractions

It's easy and free!

Great Britain

Casting process
GS Sand casting
GM Permanent mould casting
GZ Centrifugal casting
GC Continuous casting
GP Pressure die casting

Material conditions
R Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements
H Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements

Mechanical properties
Mechanische Eigenschaften
Caracteristiques mecaniques
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d�elasticite minimale
Rm Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc

Chemical composition of   CuZn23Al3Co   ( CW703R ). Equivalent grades of   CuZn23Al3Co   ( CW703R ).
Standards of   CuZn23Al3Co   ( CW703R ). Properties of   CuZn23Al3Co   ( CW703R ). Hardness of   CuZn23Al3Co   ( CW703R ).

©   2011- 2014   All rights reserved.       The contents from this site may not be reproduced.
The entire risk as to use of these content is assumed by you the user