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Description
Soft magnetic alloy-1J50(Common Name: Ni50, E11a, 50H, Hy-Ra49, PB)1J50 is a nickel–iron magnetic alloy, with about 50% nickel and 48% iron content.
High Magnetic Permeability Fe-Ni Alloy ASTM F30 DIN 2.4478 1j50 Bar
For 1J50,the equivalent in other country Ni50,Alloy 50, E11a, 50H, Hy-Ra49, PB, UNS N14052, ASTM F30,DIN 2.4478,ASTM 753-2 alloy 2
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.
1J50 Iron-nickel alloy(about 50% nickel and 48% iron content) is soft magnetic alloys with high magnetic permeability and high saturation magnetic induction
1J50 Application:
It is mainly used in Various transformers, relays, electromagnetic clutches, chokes and magnetic circuit parts cores, pole shoes, earphone diaphragms, earth leakage circuit breakers, relay parts for earth leakage circuit breakers, gas safety valves, magnetic shields used in medium magnetic fields , Gyroscope, automatic synchronization motor, electronic watch micro motor.
Chemical composition%
C | Mn | Si | P | S | Ni | Cu | Fe |
≤0.03 | 0.3-0.6 | 0.15-0.3 | ≤0.02 | ≤0.02 | 49.0-51.0 | ≤0.2 | Bal. |
Mechanical properties under annealing status(20℃)
Tensile Strength(Mpa) | Elongation(%) | Hardness(HV) |
≥530 | ≥35 | ≤155 |
Physical properties
Density (g/cm3) | 8.25 |
Melting point(℃) | 1395-1425 |
Electrical resistivity at 20℃ | 0.45 |
Saturation magnetostriction coefficient λθ/ 10-6 | 25 |
Curie point Tc/ ℃ | 500 |
Coefficient of linear expansion（20℃~200℃）X10-6/℃ | ||||||
Grade | 20-100℃ | 20-200℃ | 20-300℃ | 20-400℃ | 20-500℃ | 20-600℃ |
1J50 | 8.9 | 9.27 | 9.2 | 9.2 | 9.4 | |
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 | ||||
Form and Dimension:
Colled Rolled Strip | (0.03~0.10)mm x(180~250)mm |
Wire | Φ0.10~Φ6.00mm |
Ribbon | (4.50~20.0)mm x(50~250)mm |
Bar/Rod | Φ20.0~Φ100.0mm |
