Description
CW605N is a ductile alloy known for its impressive machinability and its capability to be bent and cold-headed with ease. These characteristics make it an ideal choice, particularly for crafting bicycle spoke nipples.
Chemical Composition
| Elements | Min (%) | Max (%) |
| Cu | 61.00 | 62.00 |
| Pb | 0.80 | 1.60 |
| Fe | – | 0.20 |
| Sn | – | 0.20 |
| Ni | – | 0.30 |
| Al | – | 0.05 |
| Total Others | – | 0.50 |
| Zn | Remainder |
Mechanical Properties According To CW605N (As Per Temper 400)
| Range (mm) |
From |
To |
UTS Min (MPa) |
PS Min (MPa) |
Elongation Min (%) |
Hardness Min |
Hardness Max |
| Round (Dia) |
1.5 |
75 |
340 |
160 |
25 |
90 |
140 |
| Hex (A/F) |
3 |
70 |
340 |
160 |
25 |
90 |
140 |
| Square (A/F) |
3 |
60 |
340 |
160 |
25 |
90 |
140 |
| PHYSICAL PROPERTIES |
| Density |
8.46 g/cm3 |
| Melting Point |
910°C |
| Specific heat cap at 20˚C |
0.377 (kj/kgK) |
| Electrical conductivity |
14.7 (MS/m) |
| Modulus of Elasticity in (GPa) |
105 (GPa) |
| Coef of therm exp at 20˚C |
20.4 (10-6 /K) |
| Thermal Conductivity |
116 W/m.K |
| FABRICATION PROPERTIES |
| Technique |
Suitability |
| Machinability (CuZn39Pb3 = 100 %) |
80% |
| Capacity for being cold worked |
poor |
| Capacity for being hot worked |
Fair |
| Suitability for soldering |
Excellent |
| Suitability for Brazing |
Good |
