CZ106
CZ106 is a brass alloy with outstanding resistance to dezincification and notable cold working properties, characterized by a pure α-structure. This alloy is specifically chosen for use in applications involving warm, acidic waters. Additionally, CZ106 proves to be a suitable choice for various cold working processes such as coining, riveting, crimping, flanging, cold extrusion, and more.
CHEMICAL COMPOSITION
| Elements | Min (%) | Max (%) |
| Cu | 68.50 | 71.50 |
| Pb | – | 0.05 |
| Fe | – | 0.05 |
| Total Others | – | 0.30 |
| Zn | Remainder | |
MECHANICAL PROPERTIES ACCORDING TO BS2873 (AS PER TEMPER 1/2H)
| Range | From | To | UTS Min (MPa) | UTS Max (MPa) | PS Min (MPa) | Elongation Min (%) | Hardness Min | Hardness Max |
| Round (Dia) | 1.5 | 75 | 460 | 620 | – | – | – | |
| Hex (A/F) | 3 | 70 | 460 | 620 | – | – | – | – |
| Square (A/F) | 3 | 60 | 460 | 620 | – | – | – | – |
| Rectangle (Thickness) | 3 | 50 | 460 | 620 | – | – | – | – |
| PHYSICAL PROPERTIES | |
| Electrical conductivity %IACS | 28% |
| Thermal conductivity W/(m·K) | 126 |
| Thermal expansion coefficient (0–300 °C) | 10-6/K 19.7 |
| Density | 8.55 g/cm3 |
| Modulus of elasticity | 114 Gpa |
| FABRICATION PROPERTIES | |
| Machinability (CuZn39Pb3 = 100 %) | 25% |
| Capacity for being cold worked | Excellent |
| Capacity for being hot worked | Fair |
| Resistance welding (butt weld) | Good |
| Inert gas shielded arc welding | Fair |
| Gas welding | Good |
| Hard soldering | Excellent |
| Soft soldering | Excellent |
| Melting range | 910-965 °C |
| Hot working | 750 – 870 °C |
| Soft annealing (1–3 h) | 450–680 °C |
| Thermal stress relieving (1–3 h) | 200–300 °C |
