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| Categories | Transformer Core Material |
|---|---|
| Brand Name: | OHMALLOY |
| Model Number: | 1J50 |
| Certification: | ISO, SGS |
| Place of Origin: | China(Shanghai) |
| MOQ: | 10kg |
| Price: | negotiable |
| Payment Terms: | L/C, T/T, |
| Supply Ability: | 50000kg per month |
| Delivery Time: | 7 days |
| Packaging Details: | 10kg/coil |
| Chemical: | 50% nickel |
| Grade: | 1J50 |
| Thickness: | 0.05mm to 0.15mm |
| Width: | 50mm to 100mm |
| Status: | Bright, annealed |
| Package: | 10kg/ plastic spool |
| Company Info. |
| Ohmalloy Material Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
1J50 Foil Transformer Iron Core High Magnetic Permeability 0.05mm Thick
OhmAlloy-1J50 (Soft magnetic alloy)
(Common Name: Ni50, E11a, 50H, Hy-Ra49, PB)
Ohmalloy-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, after hot forging blanks made of sheet metal, and then after hot rolling, pickling, surface treatment, cold rolling into finished products.
Ohmalloy-1J85 Iron-nickel alloy( soft 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.
| 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 |
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 685 | 780 | 3~35 |
| Density (g/cm3) | 8.2 |
| Electrical resistivity at 20℃(Ωmm2/m) | 0.45 |
| Coefficient of linear expansion(20℃~200℃)X10-6/℃ | 9,2 |
| Saturation magnetostriction coefficient λθ/ 10-6 | 25,0 |
| Curie point Tc/ ℃ | 500 |
The magnetic properties of alloys with high permeability in weak fields | |||||||
| 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 | |||
| ≥ | ≤ | ||||||
| 0.05 mm | 2.5 | 35 | 20 | 1.5 | |||
| 0.1~0.19 mm | 3.8 | 43.8 | 12 | ||||
| 0.2~0.34 mm | 4.4 | 56.3 | 10.4 | ||||
| 0.35~1.0 mm | 5.0 | 65 | 8.8 | ||||
| 1.1~2.5 mm | 3.8 | 44.0 | 12 | ||||
| Bar | |||||||
| 8-100 mm | 3.1 | 25.0 | 24 | ||||
| Mode of heat treatment 1J79 | |
| Annealing media | Vacuum with a residual pressure not higher than 0.1Pa, hydrogen with a dew point of not higher than minus 40 ℃. |
| The heating temperature and rate | 1100~1150℃ |
| Holding time/h | 3~6 |
| Cooling rate | With 100 ~ 200 ℃/ h cooled to 600 ℃, Rapid cooling to 300 baked |
Style of supply
| Alloys Name | Type | Dimension | ||
| OhmAlloy-1J85 | Wire | D= 0.1~8mm | ||
| OhmAlloy-1J85 | Strip | W= 8~390mm | T= 0.3mm | |
| OhmAlloy-1J85 | Foil | W= 10~100mm | T= 0.01~0.1 | |
| OhmAlloy-1J85 | Bar | Dia= 8~100mm | L= 50~1000 | |
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