Copper Alloy Tungsten Contacts combines the excellent electrical conductivity of copper with the high hardness of tungsten. It is suitable for electrical connection occasions that require high conductivity and wear resistance, such as high-end relays, contactors, etc.
NAME: Tungsten contact
Main Material: W
Can be customized
Product Material
Wu/FE
General Description
The Tungsten points are arc resistance, redectory,and less current consumption when the metal contact on surface,strong on-off current capability, good wear properties and dynamic performance hit.And its cheaper than any other metal or alloy material.
Application Scope
Mainly used in the electric products such as automobiles, motorcycles, electric horn, magneto etc.
Material Properties
| Material | Composition ( % ) | Grain number ( PCS/mm2 ) | Density g/cm3 | Hardness HV(Mpa) |
| Wu | ≥99.95 | 10000-20000 | ≥19.0 | 680 |
Standard Shapes
Standard Dimensions
| Shank Diameter(d) | Head Diameter(D) | Shank Length(L) | ||||
| 3 | 3.5 | 4 | 5 | 6 | ||
| Φ1.5 | 1.5~2.0 | |||||
| Φ2.0 | 1.5~3.0 | |||||
| Φ2.5 | 1.5~3.0 | |||||
| Φ3.0 | 1.5~3.0 | |||||
Tolerances
| Head Diameter | Head Thickness | Shank Length | Shank Diameter | Layer Thickness |
| ±0.10 | ±0.05 | ±0.15 | -0.02 -0.10 |
S>0.6 |
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