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Low voltage electric contact points are used for various switches, relays, electromagnetic switch, breaker for wiring, automobile electric and electronic parts, electric locomotive, and high voltage transmission and distribution facility. Youngjin Metal supplies the product mainly to the primary processing companies..
Type
|
Composition
(%) |
DENSITY |
Electric conductivity
IACS (%) |
Hardness
( HRB ) |
Applications
|
Copper
Tungsten |
20:80 |
15.1~15.7 |
32~42 |
95~105 |
Extra-high voltage breaker, ARC TIP, GCB, OCB, GLBS, ASS, ARD contact of ACB, and ATS. Contact of the tap conversion transformer, starter contact for automobiles, electrode spot welding tips for discharging process. |
25:75 |
14.3~15.1 |
37~47 |
90~100 |
30:70 |
13.7~14.5 |
43~53 |
85~95 |
| 35:65 |
13.2~14.0 |
45~55 |
80~90 |
| 40:60 |
12.8~13.7 |
47~57 |
78~90 |
Silver
Tungsten |
20:80 |
16.2~16.9 |
35~45 |
95~105 |
Current breakers, contact of air circuit breakers, breaker of motor cars, ACB, NFB, electrode for discharging process of ELB contact |
| 30:70 |
14.7~15.7 |
45~55 |
85~95 |
| 35:65 |
14.3~15.1 |
48~58 |
80~90 |
| 40:60 |
13.7~14.5 |
50~60 |
75~85 |
| 50:50 |
12.9~13.7 |
55~65 |
65~75 |
|
