
Characteristics:
PlugMax11 is a lead-free alloy achieves exceptional machinability, resulting in outstanding tool service life. It also provides higher strength and conductivity than most tin bronzes.
Typical applications:
It is widely used in plug pins, electrical connectors and switch parts.
| UNS | / |
|---|---|
| EN | / |
| JIS | / |
| GB | / |
| Cu | 68.0-78.0% |
| Sn | 0.3-1.2% |
| Ni | 0.3-1.2% |
| Si | ≤ 0.5% |
| Others | ≤ 0.5% |
| Zn | balance % |
| Density (g/cm³) | 8.78 |
|---|---|
| Metling temperature (℃) | 981 |
| Electrical conductivity (%IACS) | 20 |
| Thermal conductivity (W / m x K) | 89 |
| Coefficient of thermal expansion② (10-6/K) | 18.5 |
| Modulus of elasticity (GPa) | 110 |
| Capacity for being cold worked | Good |
| Capacity for being hot formed | Good |
| Brazing | Excellent |
| Resistance welding | Good |
| Machinability | Good |
| Temper | Diameter (mm) | Tensile Strength (MPa min.) | Yield Strength (MPa min.) | Elongation (% min.) | Hardness (HV5 min.) |
|---|---|---|---|---|---|
| HT08 | 3.0≤Φ<5.0 | 750 | 700 | 1 | 230 |
| HT08 | 5.0≤Φ<10 | 700 | 650 | 1 | 220 |
| H08 | 3.0≤Φ<5.0 | 750 | 620 | 1 | 220 |
| H08 | 5.0≤Φ<10 | 700 | 600 | 1 | 220 |
| H06 | 3.0≤Φ<5.0 | 700 | 600 | 1 | 210 |
| H06 | 5.0≤Φ<10 | 680 | 570 | 1 | 210 |
| H06 | 10≤Φ<20 | 650 | 550 | 2 | 210 |
| Staightbar | ||||
| Diameter (mm) | Tolerance④(mm) | Ovality(mm max.) | Length(mm max.) | Straightness(mm/m max.) |
| 3.0 ≤ Ф <5.0 | 0.02 | 0.01 | 2500 | 0.5 |
| 5.0 ≤ Ф <10 | 0.04 | 0.02 | 2500 | 0.5 |
| 10 ≤ Ф <20 | 0.08 | 0.04 | 4000 | 0.5 |
| Straight bars, Profiles |
|---|