Copper-Nickel Alloy (Lead Less, Free Cutting)
Type: Bar & Wire Product-Green Alloy
Name: Lead less free cutting copper nickel alloy
Number: PW300712, PW300715, PW300718
Features
No lead, Eco-friendly(≤ 100PPM);
Easy to cut, improving processing efficiency;
Easy to weld, the lead free alloy features excellent thermal forming performance and high softening resistance in welding;
Excellent corrosion resistance; it is resistant to discoloration in sea water and air for extended periods;
| Item | Size | |||
| ASTM | DIN | JIS | GB | |
| PW300712 | 1.0-15mm | |||
| PW300715 | ||||
| PW300718 | ||||
Characteristics
1. This free cutting alloy comes with excellent machinability that is much higher than that of ordinary copper-nickel-zinc alloys and can reach more than 80% of lead and zinc cupronickel alloys.
2. Lead content in this copper nickel alloy is in conformity with EU and United States' standards.
Applications
Our lead less free cutting copper nickel alloy is widely used for making pen points, glass accessories, instruments, watches, etc.
| Articles | Composition (wt% ) | Total impurity | ||||||
| Cu | Ni | Zn | Si | P | Ce | Pb | (wt% ) | |
| PW300712 | 47-49 | 11.5-12.5 | REM | 0.5-1.2 | 0.01-0.3 | 0.01-0.05 | ≤0.01 | ≤0.3 |
| PW300715 | 49-51 | 13.8-15 | REM | 0.1-1.2 | 0.01-0.3 | 0.01-0.05 | ≤0.01 | ≤0.3 |
| PW300718 | 55-57 | 16.8-18 | REM | 0.1-1.2 | 0.01-0.3 | 0.01-0.05 | ≤0.01 | ≤0.3 |
| Articles | Wire rod processing | |||||||
| Temper | Size (mm) | Tensile Strength (Mpa) | Elongation (%) | Yield Strength (Mpa) | Hardness (HV) | Density (kg/dm3) | Lead (ppm) | |
| PW300712 | M | 1.0 -15mm | 520 -600 | ≥28 | 430 -500 | 170 -190 | 8.17 | ≤100 |
| PW300715 | ||||||||
| PW300718 | Y | 740-800 | ≥4 | 630-680 | 215-225 | 8.17 | ≤100 | |
