DESCRIPTION
CW616, brass, is a readily extrudable leaded alpha/beta brass with a small aluminium addition, which gives a bright golden colour. The lead gives free cutting properties. CW616 is available as extruded rods and flats which are typically used in builders’ hardware.
CHEMICAL COMPOSITION
| Elements |
Min (%) |
Max (%) |
| Cu |
57.00 |
59.00 |
| Pb |
1.00 |
2.00 |
| Sn |
- |
0.20 |
| Fe |
- |
0.20 |
| Al |
0.05 |
0.30 |
| Ni |
- |
0.20 |
| Total Others |
3 |
0.20 |
| Zn |
Remainder |
Mechanical Properties According To EN12165 (As Per Temper H080)
| Range (mm)
|
From |
To |
UTS Min |
PS Min |
Elongation Min (%) |
Hardness Min (HV) |
Hardness Max (HV) |
| Round (Dia) |
1.5 |
75 |
- |
- |
- |
80 |
170 |
| Hex (A/F) |
3 |
70 |
- |
- |
- |
80 |
170 |
| Square (A/F) |
3 |
60 |
- |
- |
- |
80 |
170 |
| Rectangle (Thickness) |
3 |
50 |
- |
- |
- |
80 |
170 |
| PHYSICAL
PROPERTIES |
| Density |
8.40 g/cc |
0.303 lb/in3 |
| CTE, Linear |
26.0 µp/m- °C |
14.4 µin/in- °F |
| Specific Heat Capacity |
0.380 J/g- °C |
0.0908 BTU/lb°F |
| Thermal Conductivity |
113 W/m-K |
784 BTU-in/hr-ft2- °F |
| Melting Point |
880 -900 °C |
1620 -1650 °F |
| Solidus |
880 °C |
1620 °C |
| Liquidus |
900 °C |
1650 °F |
| FABRICATION
PROPERTIES |
| Forming |
Suitability |
| Machinability (CuZn39Pb3 = 100 %) |
95.00% |
| Capacity for Being Cold Worked |
Poor |
| Capacity for Being Hot Worked |
Excellent |
TYPICAL USES
- Builders Hardware
- Consumer
