High Precision Tin Phosphor Bronze Strip
C5191/C5210/C5102/Cusn6/Cusn5
Main Properties:
Excellent yield strength and fatigue resistance;
Excellent elastic property
Good forming and bending performance;
Good malleability and anti-corrosion property;
Main Application :
CPU socket,mobile keyboard
Auto terminal,connector;
Electronic connector&switch;
Bellows,springs,harmonica oscillation reeds;
Electrical device components,precision instruments,wear-resistant
parts of instruments, anti-magnetic parts auto parts and electrical
components.
Chemical Composition
| Element | Component |
| Sn | 5.5-7.0% |
| Fe | ≤0.1% |
| Zn | ≤0.2% |
| P | 0.03-0.35% |
| Pb | ≤0.02% |
| Cu | Balance |
Mechanical Properties
| Alloy | Temper | T.S. N/mm2 | Elongation % | Hardness HV | Remark |
| CuSn6 | O | ≥290 | ≥40 | 75-105 | |
| 1/4H | 390-510 | ≥35 | 100-160 | |
| 1/2H | 440-570 | ≥8 | 150-205 | |
| H | 540-690 | ≥5 | 180-230 | |
| EH | ≥640 | ≥2 | ≥200 | |
1. Thickness:0.01mm--2.5mm,
2. Width: 0.5--400mm,
3. Temper: O, 1/4H, 1/2H, H, EH, SH
4. Eco-friendly, provide different requests on hazardous substance,
such as lead, lower than 100ppm; Rohs report supplied.
5. Provide Mill certificate for each roll, with lots,
specification, N.W., G.W., HV value, MSDS, SGS report.
7. Strict tolerance control on thickness and width, as well as
other quality concern.
8. Coil weight can be customized.
9. Packing: Neutral packing, plastic bag, paper liner in the
polywood pallet or case. 1 or several coils in 1 pallet (depend on
coil width), shipping mark. One 20" GP can load 18-22 tons.
10. Lead time: 10-15days after the PO.
