CuSn6 strip, sheet,phosphor bronze
Detailed information
Introduction of the C51900 CuSn6 PB103 Phosphor Bronze
C51900/ CuSn6 Phosphor Bronze, which is a 6% tin bronze distinguished by a very good combination of strength and electrical conductivity.
It is used for connector and current-carrying springs in contacts. Among the 4-8% tin bronze C51900 exhibits a high electrical conductivity, the highest reachable strength is significantly higher than C51000. By means of an additional further tempering after the cold forming process the bendability can be further improved.
Due to the higher strength and springiness and good workability, C51900 is used for all types of springs as well as for flexible metal hoses.
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 | Tensile Strength 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
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