1j79/ Permalloy Strip/ E11c Strip

• Product Type: Strip
• Material: Ni-Fe Alloy
• Carbon Content: Low Carbon
• Thickness: 0.1~3mm
• Width: 5~250mm
• Transport Package: Inner Core, Waterproof Paper, Wooden Case
• Model NO.: Ni-Fe Alloy
• Trademark: Permalloy
• Origin: China
• HS Code: 722699900
• Production Capacity: 10 Tons/ Month

Product Description

1J79/ Permalloy strip/ E11c strip

Classification: precision soft magnetic alloy
Supplement: Alloy with high permeability in weak fields at saturation induction 0.65-0.75 T. Alloy 1J79/ permally high squareness of the hysteresis loop and a low coefficient of magnetization reversal
Application: For small cores of transformers, chokes and relays operating in weak fields, magnetic shields. In the small thickness (0.05 ± 0.02 mm) - cores for pulse transformers, magnetic amplifiers and solid state relays
Chemical Composition,%:
 

Ni  78.5 - 80%	Fe  13.73 - 16.8%	C  0.03%	Si  0.3 - 0.5%	Mn  0.6 - 1.1%	S  o 0.02%
P  0.02%	Mo  3.8 - 4.1%	Ti  0.15%	Al  0.15%	Cu  0.2%

Basic physical constants and mechanical properties of the alloy:
Density: γ = 8,6 g / cm3;
Electric resistivity: ρ = 0,55 ohm mm2 ? / m;
The temperature of the Curie point: Θs = 430 ° C;
Saturation magnetostriction: λS = 2 ? 106;
Brinell hardness of 210/120 HB;
Ultimate: RM = 1030/490 MPa;
Yield strength: σ0,2 = 980 145 MPa;
Modulus of elasticity E = 210 kN / mm2;
Elongation: δ5 = 3/50%;
Relative compression: φ = -%.

Heat treatment of the alloy

Annealing	Temperature and heating rate	Holding time, h	Cooling mode
Vacuum with a residual pressure not higher than 10-3 Torr. Art. or pure hydrogen with a dew point of not higher than minus 40 ° C.	(1125 ± 25) ° C not higher than 500 ° C / h	3-6	to 600 ° C at a rate not exceeding 200 ° C / h from 600 to 200 ° C at a rate of at least 400 ° C / h