Description
CW617N is the benchmark material for hot working applications. The moderate lead content enhances the machinability of drop-forged components. Due to its composition, this alloy is also well-suited for crafting intricate profiles and producing drawn shapes.
The subsequent datasheet provides comprehensive insight into the attributes of CW612N brass alloys.
Chemical Composition
| Elements | Min (%) | Max (%) |
| Cu | 57.00 | 59.00 |
| Al | – | 0.05 |
| Fe | – | 0.30 |
| Ni | – | 0.30 |
| Pb | 1.60 | 2.50 |
| Sn | – | 0.30 |
| Total Others | – | 0.20 |
| Zn | Remainder |
Mechanical Properties According To EN12164 (As Per Temper R430)
| Range (mm) |
From |
To |
UTS Min (N/mm²) |
PS Min (N/mm²) |
Elongation Min (%) |
Hardness Min (HV) |
Hardness Max (HV) |
| Round (Dia) |
2 |
40 |
430 |
220 |
10 |
– |
– |
| Hex (A/F) |
2 |
35 |
430 |
220 |
10 |
– |
– |
| Square (A/F) |
2 |
35 |
430 |
220 |
10 |
– |
– |
| Rectangle (Thickness) |
3 |
40 |
430 |
220 |
10 |
– |
– |
| Physical Properties | Metric | English |
| Density | 8.40 g/cc | 0.303 lb/in3 |
| CTE, linear | 26.0 ᶙm/m-˚C | 14.4 ᶙin/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 ˚F |
| 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 |
