Optic wire (tin-bronze)

Optical wires from bedra make an impression by a flawless surface finish which is required by all renowned optical manufacturers.

Range of application

Optic wire (tin-bronze)

Recommended for:


temple

Standardization and composition

Standard designationCuSn6
DIN17662
Material no.2.1022
DIN EN 12166CW452K
ASTM UNSC51900
Cubalance
Sn6
P0,2
Othersmax. 0,5

Physical properties

Density kg/dm³8,8
Melting range °C910-1040
E-Modulus kN/mm²115
Thermal conductivity W/m*K75
Coefficient of thermal expansion 10-6/K18,5
Electrical conductivity MS/m7

Other technical values

Annealing temp. °C380-450
Hardness annealed HV90
Hardness 80% reduced HV290

Delivery programme

Profilesround wires / square profiles / flat wires / special profiles
Surface coatingsseveral electroplated coatings, upon request
Make-upsspools / coils / rods / drums

Further product information