CZ130
CZ130, a type of sectional brass, represents a notable advancement over traditional 60/40 brass due to its outstanding free cutting properties.
CHEMICAL COMPOSITION
| Elements | Min (%) | Max (%) |
| Cu | 55.50 | 57.50 |
| Pb | 2.50 | 3.50 |
| Al | – | 0.50 |
| Total Others | – | 0.70 |
| Zn | Remainder | |
MECHANICAL PROPERTIES ACCORDING TO BS2874 (AS PER TEMPER M)
| Range (mm) | From | To | UTS Min (N/mm²) | PS Min | Elongation Min (%) | Hardness Min | Hardness Max |
| Round (Dia) | 6 | 75 | 350 | – | 20 | – | – |
| Hex (A/F) | 6 | 70 | 350 | – | 20 | – | – |
| Square (A/F) | 6 | 60 | 350 | – | 20 | – | – |
| Rectangle (Thickness) | 6 | 50 | 350 | – | 20 | – | – |
| PHYSICAL PROPERTIES | |
| Density | 8.44 g/cm³ |
| Melting Point | 890°C |
| Thermal Conductivity | 109 W/m.K |
| FABRICATION PROPERTIES | |
| Technique | Suitability |
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Not Recommended |
| Coated Metal Arc Welding | Not Recommended |
| Spot Weld | Not Recommended |
| Seam Weld | Not Recommended |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Poor |
| Capacity for Being Hot Formed | Excellent |
| Machinability Rating | 90 |
