CW614N is a high speed machining brass is ideal for the very rapid production of components in automatic lathes. Due to the inclusion of lead in its composition and also has superior machinability.
CW614N's (CZ121) machinability rating of 100 is the standard against which all copper alloys are rated. It offers good strength, is easily soldered or brazed and has good resistance to corrosion which makes it the ideal choice for many brass components throughout industry.
USES
| Joining Technique | Suitability |
|---|---|
| Soldering | Fair |
| Gas Shielded Arc Welding | Fair |
| Capacity for Being Cold Worked | Poor |
| Capacity for Being Hot Worked | Good |
| Machinability Rating | 50 |
| Cu | Al | Fe | Ni | Pb | Sn | Zn | Others Total | |
|---|---|---|---|---|---|---|---|---|
| Min/Max | 57.0 – 59.0 |
0.05 max |
0.3 max |
0.3 max |
2.5- 3.5 |
0.3 max |
Rem | 0.2 max |
| Material Condition |
Nominal Diameter or Width Across-Flats (mm) From Up to and including |
Tensile Strength Rm N/mm2 min. |
0.2% Proof Strength Rp0.2 N/mm2 approx. | Elongation A % min. | Hardness HB
min. max. |
||
|---|---|---|---|---|---|---|---|
| M | 3 | 80 | As Manufactured | ||||
| R490 | 5 | 40 | 490 | (300) | 20 | — | — |
| H120 | 5 | 40 | — | — | — | 120 | 150 |
| R550 | 5 | 14 | 550 | (400) | 10 | — | — |
| H150 | 5 | 14 | — | — | — | 150 | — |
| Metric | |
|---|---|
| Density | 8.28 gm/cm3 at 20 C |
| Electrical Resistivity | 9.6 microhm-cm at 20 C |
| Electrical Conductivity | 0.059 MegaSiemens/cm at 20 C |
| Thermal Conductivity | 50 W/m •°K at 20 C |
| Coefficient of Thermal Expansion | 20.7•10-6 per °C (20-300 C) |
| Modulus of Elasticity in Tension | 93000 MPa |