
Characteristics:
This alloy exhibits excellent hot working properties, fair cold working properties, somewhat increased strength, and good resistance to salt-water corrosion.
Typical applications:
The alloy is primarily utilized in cold headed parts, screw machine parts, marine hardware as well as other related industries.
| UNS | C46400 |
|---|---|
| EN | CuZn39Sn1 (CW719R) |
| JIS | C4640 |
| GB | HSn60-1 |
| Cu | 59.0-62.0% |
| Pb | ≤ 0.2 |
| Sn | 0.5-1.0% |
| Fe | ≤ 1.0% |
| Zn | balance |
| Density (g/cm³) | 8.41 |
|---|---|
| Electrical conductivity (%IACS) | 26 |
| Thermal conductivity (W / m x K) | 116 |
| Coefficient of thermal expansion② (10-6/K) | 21.2 |
| Modulus of elasticity (GPa) | 103 |
| Cold workability | Fair |
| Hot workability | Excellent |
| Brazing | Excellent |
| Resistance welding | Good |
| Forgeability rating③ | 90% |
| Machinability rating④ | 30% |
| Diameter (mm) | Temper | Tensile Strength (MPa min.) | Yield Strength (MPa min.) | Elongation (A50mm% min.) | Hardness (HRB min.) |
|---|---|---|---|---|---|
| Ф ≤ 6 | O60 | 400 | 185 | 45 | 56 |
| Ф ≤ 6 | H02 | 435 | 205 | 40 | 60 |
| Ф ≤ 6 | H04 | 550 | 395 | 20 | 85 |
| 6 < Ф ≤ 25 | O60 | 395 | 170 | 47 | 56 |
| 6 < Ф ≤ 25 | H02 | 435 | 205 | 40 | 60 |
| 6 < Ф ≤ 25 | H04 | 515 | 365 | 20 | 82 |
| 25 < Ф ≤ 50 | O60 | 385 | 170 | 47 | 55 |
| 25 < Ф ≤ 50 | H02 | 425 | 195 | 43 | 60 |
| 25 < Ф ≤ 50 | H04 | 460 | 275 | 35 | 75 |
| 50 < Ф ≤ 75 | O60 | 375 | 150 | / | / |
| 50 < Ф ≤ 75 | H02 | 395 | 180 | / | / |
| 75 > Ф | O60 | 375 | 150 | / | / |
| 75 > Ф | H02 | 395 | 165 | / | / |
| Straight bar | Coil wire | |||||
| Diameter (mm) | Tolerance⑤ (mm) | Ovality (mm) | Length (mm. max.) | Straightness (mm/m max.) | ID (mm) | Weight (kg) |
| 3.0 ≤ Φ < 6.0 | 0.02 | 0.010 | 4000 | 0.5 | 800 | 500 |
| 6.0 ≤ Φ < 10 | 0.03 | 0.015 | 4000 | 0.5 | 1200 | 800 |
| 10 ≤ Φ < 18 | 0.04 | 0.020 | 4000 | 0.5 | 1500 | 1000 |
| 18 ≤ Φ < 25 | 0.06 | 0.030 | 4000 | 0.5 | ||
| 25 ≤ Φ < 40 | 0.10 | 0.050 | 4000 | 0.5 | ||
| 40 ≤ Φ < 60 | 0.15 | 0.075 | 4000 | 0.5 | ||
| 60 ≤ Φ < 80 | 0.30 | 0.150 | 3000 | 2.0 |
PDF Datasheet | EN PDF Datasheet | VI PDF Datasheet | ZH