Tin bronze optical wires from bedra make an impression by a flawless surface finish which is required by all renowned optical manufacturers.
Temple
Density (kg/dm³) | 8.8 |
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Melting range (°C) | 910 - 1040 |
E-Modulus (kN/mm²) | 115 |
Thermal conductivity (W/m*K) | 75 |
Coefficient of thermal expansion (10-6/K) | 18.5 |
Electrical conductivity (MS/m) | 7 |
Standard designation | CuSn6 |
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DIN | 17662 |
Material no. | 2.1022 |
DIN EN 12166 | CW452K |
ASTM UNS | C51900 |
Cu | balance |
Sn | 6 |
P | 0.2 |
Others | max. 0.5 |
Annealing temp. (°C) | 380 - 450 |
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Hardness annealed (HV) | 90 |
Hardness 80% reduced (HV) | 290 |
Profiles | Round wires / square profiles / flat wires / special profiles |
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Surface coatings | Several electroplated coatings, upon request |
Make-ups | Spools / coils / rods / drums |