CW605N
DESCRIPTION
CW605N: A ductile alloy with good machinability as well as bending and cold heading properties. Suitable for 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 IS 319 GR III (AS PER TEMPER HB)
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 |
TYPICAL USES
- Precision Components Machining with Riveting operation.