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| Material: | Ni,Fe |
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Ualloy-1J50 (So0 magnetic alloy)
(Common Name: Ni50, E11a, 50H, Hy-Ra49, PB)
Ualloy-1J50 is a nickel-iron magnetic alloy, with about 50% nickel and 48% iron content. It is derived in accordance with permalloy. It has characteristics of high permeability and high saturation magnetic flux density.
Alloy melting in a vacuum medium, cast into ingots, a0er hot forging blanks made of sheet metal, and then a0er hot rolling, pickling, surface treatment, cold rolling into finished products.
Ualloy-1J85 Iron-nickel alloy( so0 magnetic alloy) mostly in an alternating magnetic field used mainly for high magnetic yoke, sensitive relays, low-loss micro-motor, small power transformers, pulse transformer, transistor switches, magnetic amplifier magnetic modulator, sensitive signal input and output transformers, magnetic heading aviation instrumentation magnetic sensor, magnetic susceptibility measurement instrument components, precision meter movable piece and the stator magnetic shielding and magnetic temperature compensation element.
Normal composition%
|
Ni |
49.0~51.0 |
Fe |
Bal. |
Mn |
0.3~0.6 |
Si |
0.15~0.3 |
|
Mo |
- |
Cu |
≤0.2 |
|
|
|
|
|
C |
≤0.03 |
P |
≤0.02 |
S |
≤0.02 |
|
|
Typical Mechanical properties
|
Yield strength |
Tensile Strength |
Elongation |
|
Mpa |
Mpa |
% |
|
685 |
780 |
3~35 |
Typical Physical properties
|
Density (g/cm3) |
8.2 |
|
Electrical resistivity at 20ºC(mm2/m) |
0.45 |
|
Coefficient of linear expansion(20ºC~200ºC)X10-6/ºC |
9,2 |
|
Saturation magnetostriction coefficient λθ/ 10-6 |
25,0 |
|
Curie point Tc/ ºC |
500 |
The magnetic properties of alloys with high permeability in weak fields(0.4A/m) |
|||||||
| 1J50 | Initial permeability | Maximum permeability | Coercivity | Saturation magnetic induction intensity | |||
| Сold-rolled strip/ sheet. Thickness, mm |
μ0.08/ (mH/m) | μm/ (mH/m) | Hc/ (A/m) | BS/ T ≥ |
|||
| ≥ | ≤ | ||||||
| 0.04-0.049mm | 2.2 | 30 | 25 | 1.5 |
|||
| 0.05-0.09mm | 2.5 | 38 | 16 | ||||
| 0.1-0.19mm | 2.9 | 40 | 14.4 | ||||
| 0.2-0.34 | 3.5 | 50 | 11.2 | ||||
| 0.35-0.5 | 4 | 62.5 | 9.6 | ||||
| 0.51-1 | 3.8 | 62.5 | 9.6 | ||||
| 1.1-2 | 3.6 | 56.3 | 9.6 | ||||
| 2.1-3 | 3.5 | 56.3 | 9.6 | ||||
| Bar | |||||||
| 8-100 mm | 3.1 | 31.3 | 14.4 | ||||
| Mode of heat treatment 1J50 | |
| Annealing media | Vacuum with a residual pressure not higher than 0.1Pa, hydrogen with a dew point of not higher than minus 40 ºC. |
| The heating temperature and rate | 1100~1150ºC |
| Holding time/h | 3~6 |
| Cooling rate | With 100 ~ 200 ºC/ h cooled to 600 ºC, Rapid cooling to 300 baked |
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