Copper alloy for spectacle-frame wire BZn15-20, BZn18-18, BZn18-20
Product introduction: Copper alloy for spectacle-frame wire has excellent mechanical
property, well corrosion resistance and good cold and hot
processability. It could be made to different spectacle-frame
accessories with hundreds of style and shape, such as semi rim,
full rim of V-groove, full rim of U-groove and double-sided groove
etc.
Product Feature:
1.High elasticity, excellent cold and hot processability
2.Well weldability
3.Good corrosion resistance
4.Bright surface, well electroplating properties
Product Designations: BZn15-20, BZn18-18, BZn18-20, BZn20-20, BZn22-20, BZn25-20 etc.
Specification of supply: Round wire of Φ1～10mm(customized according to customer
requirements)
Application Area: Copper alloy for spectacle-frame wire is widely used in the
glasses industry.
Product Parameter:
| ITEM | DESIGNSTIONS | COMPOSITION (wt%,no more than, Except ones indicating range or remain) |
| Cu | Ni | Zn | Fe | Mn | Pb |
| Cupronickel alloy | BZn15-20 | 62～65 | 13.5～16.5 | bal | 0.2 | 0.5 | 0.03 |
| BZn18-20 | 60～64 | 16.5～19.5 | bal | 0.3 | 0.5 | 0.03 |
| BZn25-20 | 53～57 | 23.5～26.5 | bal | 0.3 | 0.5 | 0.03 |
Notes:Technology indicators could be adjusted according to customer
requirements, such as chemical component, mechanical property and
so on.
