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RA Bronze Foil
Due to bronze foil has unique performance, it has been broadly used as anti-abrasion material of electronic devices components, high air tightnesscasting, connectors, pins and high precision instruments. It has following features:
1.high phosphorus content, great fatigue resistance;
2.Good elasticity and abrasive resistance;
3.No magnetic, good mechanical properties and process performance;
4.Good corrosion resistance, easy to weld and braze, and no spark upon impact;
5.Good conductivity, safe in high temperature.
Chemical Composition (%)
Alloy No. | Density g/cm³ | Sn | P | Cu | |
China | Japan | ||||
Qsn6.5-0.1 | C5191 | 8.83 | 6.0-7.0 | 0.1-0.25 | 93.3 |
Qsn8-0.3 | C5210 | 8.0 | 7.0-9.0 | 0.03-0.25 | 91.9 |
Mechanical Properties (Standard : GB/T5189-1985)
Alloy No. | JIS Temper | Tensile Strength Rm/N/mm 2 | Elogantion(%) | HV Temper |
C5191 | O | 315 | 40 | -- |
1/4H | 390-510 | 35 | 100-160 | |
1/2H | 490-610 | 20 | 150-205 | |
H | 590-680 | 8 | 180-230 | |
EH | 630 | 5 | 210-230 | |
C5210 | 1/2H | 470-610 | 27 | 140-205 |
H | 590-705 | 20 | 185-235 | |
EH | 680-780 | 11 | 205-230 | |
SH | 735-835 | 9 | 230-270 |
Note: We can provide products with other properties according to customers` requirements.
Specifications Available (mm)
Thickness | Width | Temper |
0.01-0.1 | 1.0-650 | Customized |
Sizes and Tolerances (mm)
Thickness | Thickness Tolerance | Width | Width Tolerance |
0.01~0.06 | ± 0.002 | 1.0-650mm | ± 0.1 |
>0.06~0.10 | ± 0.003 |
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