Top

Brass Wire

CHEMICAL COMPOSITION EN 12166 

Designation of the material Composition in % (mass fraction)
Min. Cu Max. Cu Max. Fe Max. Ni Min. Pb Max. Pb Max. Sn Min. Zn Max. Al Other elements (please see note)
Symbolic Numerical excluded
CuZn37 CW508L 62.0 64.0 0.1 0.3 - 0.1 0.1 Remainder 0.05 0.1
CuZn38Pb2 CW608N 60.0 61.0 0.2 0.3 1.6 2.5 0.2 Remainder 0.05 0.2
CuZn39Pb2 CW612N 59.0 60.0 0.3 0.3 1.6 2.5 0.3 Remainder 0.05 0.2
 
Including up to a maximum of 0.015% silver. 
NOTE - The total of other elements (other than copper) is defined as the sum of Ag, As, Bi, Cd, Co, Cr, Fe, Mn, Ni, O, P, Pb, S, Sb, Se, Si, Sn, Te and Zn, subject to the exclusion of any individual elements specified.
  Approximate international equivalents
Classification of symbols Numerical
 classification
European Standard (EN) US (AISI) Japan (JIS) China (GB)
CuZn37 CW508L EN 12166      
CuZn39Pb2 CW612N EN 12167      

MECHANICAL PROPERTIES EN 12166:1998 

Designations Nominal thickness Tensile strength Rm Conventional yield strength at 0.2% Rp0.2
mm N/mm²
Material State Metallurgical condition from above to min. max. N/mm²
Classification of symbols Numerical
 classification
      R420 0.5 - 1.5 420 510 (280)
      R380 - 1.5 4.0 380 460 (260)
    1/8 Hard H105 1.5 - 4.0 - - -
      R370 - 4.0 20.0 370 470 (250)
      H095 - 4.0 20.0 - - -
      R510 0.5 - 1.5 510 610 (420)
      R470 - 1.5 4.0 470 570 (390)
    1/4 Hard H130 1.5 - 4.0 - - -
      R450 - 4.0 8.0 450 560 (350)
CuZn37 CW508L   H125 - 4.0 8.0 - - -
      R510 0.5 - 1.5 610 750 (610)
      R550 - 1.5 4.0 560 700 (570)
    1/2 Hard H160 1.5 - 4.0 - - -
      R550 - 4.0 8.0 550 680 (550)
      H155 - 4.0 8.0 - - -
      R800 0.1 - 0.5 800 - (640)
      R750 - 0.5 1.5 750 - (760)
    Hard Spring R700 - 1.5 4.0 700 - (710)
      H190 1.5 - 4.0 - - -
      M            
      R400 0.5 - 1.5 400 - (200)
      R400 - 1.5 4.0 400 - (250)
    1/4 Hard H110 1.5 - 4.0 - - -
      R390 - 4.0 6.0 390 - (188)
      R380 - 8.0 20.0 380 - (180)
      H100 - 4.0 20.0 - - -
      R450 0.5 - 1.5 450 - (300)
      R440 - 1.5 4.0 440 - (300)
    1/2 Hard H130 1.5 - 4.0 - - -
CuZn38Pb2 / CuZn39Pb2 CW608N / CW612N   R430 - 4.0 6.0 430 - (300)
      R420 - 8.0 20.0 420 - (300)
      H120 - 4.0 20.0 - - -
      R500 0.5 - 1.5 500 - (433)
      R500 - 1.5 4.0 500 - (433)
    Hard H150 1.5 - 4.0 - - -
      R490 - 4.0 6.0 490 - (406)
      R480 - 8.0 14.0 480 - (406)
      H140 - 4.0 14.0 - - -
    Hard Spring R570 1.5 - 4.0 570 - (520)
      H165 1.5 - 4.0 - - -
 
  •  Can be supplied with a tinned or nickel plated surface finish, or other finishes on request. 

DIAMETER TOLERANCES OF ROUND WIRE EN12166

Nominal diameter value Tolerances
From To Class A Class B Class C Class D Class E
- 0.25 ± 0.005 - - -0.025;0 -0.006;0
0.25 0.5 ± 0.005 - - -0.03;0 -0.010;0
0.5 1.0 ± 0.012 - - -0.03;0 -0.014;0
1.0 2.0 ± 0.02 -0.10;0 -0.05;0 0.0 -0.025;0
2.0 4.0 ± 0.03 -0.10;0 -0.05;0 0.0 -0.025;0
4.0 8.0 ± 0.04 -0.12;0 -0.05;0 -0.05;0 -0.030;0
8.0 10.0 ± 0.06 -0.15;0 -0.09;0 -0.06;0 -0.035;0
10.0 18.0 ± 0.08 -0.18;0 -0.11;0 -0.07;0 -0.040;0

 

STANDARD LENGTH TOLERANCES

NOMINAL LENGTH TOLERANCE
L < = 1000 mm. +/- 1 mm.
1000 < L < = 4000 - 0mm. / +3 mm.
* The data contained in this catalogue are for information purposes only and are not under any circumstances, contractual supply conditions. Errors and omissions excepted.
Product search engineStrips, wires and fencing.