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C51900 is a copper tin phosphorus alloy with high corrosion resistance, fatigue resistance, magnetic resistance, easy brazing, and good processing performance.
This material is widely used in the production of elastic components, wear-resistant and anti magnetic parts in precision instruments and meters.
C51900 can be used for producing fine-grained phosphorus copper strip products. And C51900 (C5191/QSn6.5-0.1) has successfully mass-produced hot-dip (physical electroplating) products with tin layers of 1-6μm is acceptable.
| Grade | Chemical Composition(%)≥ Microelement(%)≤ | |||||||||||||||||
| Sn | Al | Zn | Fe | Pb | Ni | P | Other | Cu | ||||||||||
| GB | QSn6.5-0.1 | 6.0-7.0 | 0.002 | 0.3 | 0.05 | 0.02 | 0.10-0.25 | 0.4 | Balance | |||||||||
| EN | CuSn6 | 5.5-7.0 | 0.2 | 0.1 | 0.02 | 0.2 | 0.01-0.4 | 0.2 | Balance | |||||||||
| ASTM | C51900 | 5.0-7.0 | – | 0.30 | 0.10 | 0.05 | – | 0.03-0.35 | – | Balance | ||||||||
| JIS | C5191 | 5.5-7.0 | – | 0.2 | 0.1 | 0.02 | – | 0.03-0.35 | 0.5 | Balance | ||||||||
| Physical properties | ||||||||||||||||||
| Density (g/cm³) |
Modulus of elasticity (GPa) |
Thermal expansion coefficient (×10-6/K) |
Electrical conductivity (%IACS) |
Thermal conductivity (W/(m·K)) |
||||||||||||||
| 8.86 | 118 | 17.2 | 13 | 75 | ||||||||||||||
| Grade | 状态 | Tensile Strength Rm/MPa |
Elongation A11.3/% |
Hardness HV |
||||||||||||||
| GB | JIS | ASTM | EN | GB | JIS | ASTM | EN | GB | JIS | ASTM | EN | GB | JIS | EN | GB (HV) |
JIS (HV) |
ASTM (HR) |
EN (HV) |
| QSn6.5-0.1 | C5191 | C51900 | CuSn6 | O60 | O | O60 | R350/H080 | ≥315 | ≥315 | 330-435 | 350-420 | ≥40 | ≥42 | ≥45 | ≤120 | – | 18-66 | 80-110 |
| H01 | 1/4H | – | R420/H125 | 390-510 | 390-510 | – | 420-520 | ≥35 | ≥35 | ≥17 | 110-155 | 100-160 | – | 125-165 | ||||
| H02 | 1/2H | H02 | R500/H160 | 490-610 | 490-610 | 440-545 | 500-590 | ≥10 | ≥20 | ≥8 | 150-190 | 150-205 | 65-88 | 160-190 | ||||
| H04 | H | H04 | R560/H180 | 590-690 | 590-685 | 550-680 | 560-650 | ≥8 | ≥8 | ≥5 | 180-230 | 180-230 | 86-95 | 180-210 | ||||
| H06 | EH | – | R640/H200 | 635-720 | 635-720 | – | 640-730 | ≥5 | ≥5 | ≥3 | 200-240 | 200-240 | – | 200-230 | ||||
| H08 | SH | – | R720/H220 | ≥690 | ≥690 | – | ≥720 | – | – | – | ≥210 | ≥210 | – | |||||
FAQ
Q: How long is your delivery time?
A: Generally it is within 15 days if the goods are in stock. or it is less than 30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ?
A: Yes, we could offer the sample
Q: What ls your terms of payment
A.30% T/T in advance ,balance before shipment. And the price depends on the material and the quantity
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