|
Diameter |
Wire Weight per 200mm in length(mg) |
Wire Weight per 200mm in length for tolerance(%) |
|||
|
15 d 18 |
>0.3-0.98 |
Class A |
Class B |
||
|
2.5 |
3 |
||||
|
18 |
>0.98-4.85 |
2 |
2.5 |
||
|
40 |
>4.85-19.39 |
1.5 |
2 |
||
|
80 |
>19.39-30.30 |
1 |
1.5 |
||
|
300 |
>272.71-484.80 |
0.5 |
1 |
||
|
Diameter |
Wire Weight per 200mm in length(mg) |
Wire Weight per 200mm in length for tolerance(%) |
Linearity |
||
|
10 d 18 |
>0.3-0.98 |
Class A |
Class B |
Suspension length(%) |
Chord high(mm) |
|
2.5 |
3 |
– |
– |
||
|
18 |
>0.98-4.85 |
2 |
2.5 |
– |
– |
|
40 |
>4.85-19.39 |
1.5 |
2 |
90 |
– |
|
80 |
>19.39-30.30 |
1 |
1.5 |
– |
– |
|
100 |
>30.30-272.71 |
1 |
1.5 |
– |
8 |
|
300 |
>272.71-484.80 |
0.5 |
1 |
– |
– |
1.High melting point and high corrosion resistance
2.Super thermal efficiency
3.99.95% Purity
| Atomic number | 74 |
| CAS number | 7440-33-7 |
| Atomic mass | 183.84 [g/mol] |
| Melting point | 3420 °C |
| Boiling point | 5555 °C |
| Density at 20 °C | 19.25 [g/cm3] |
| Crystal structure | Body-centered cubic |
| Coefficient of linear thermal expansion at 20 °C | 4.4 × 10-6 [m/(mK)] |
| Thermal conductivity at 20 °C | 164 [W/(mK)] |
| Specific heat at 20 °C | 0.13 [J/(gK)] |
| Electrical conductivity at 20 °C | 18.2 × 106 [S/m] |
| Specific electrical resistance at 20 °C | 0.055 [(Ωmm2)/m] |
Electronic watch, electronic computer,mini-bulb and other precision equipment manufacture.
