Sheet of Soft Magnetic Alloy 1J79 for Transformer Core

Specifications

Chemical composition(%)

Physical properties

• Density (g/cm³): 8.6
• Curie point (℃): 450
• Electrical resistivity (μΩ*cm): 55 (20℃)
• Thermal conductivity ( W/m. ℃): 13.4

Magnetic properties

• Initial permeability μ₀ (mH/m): ≥40
• Maximum permeability μ_m (mH/m): ≥310
• Coercivity Hc (A/m): ≤2.0
• Saturation magnetic induction Bs (T): 0.73

1J79 alloy saturation magnetic induction Bs≥0.75T, Curie point ℃ = 450, Resistivity (μΩ • m) = 0.55; having small Magnetostrictive coefficient, Easy permeability, Fast demagnetization, small Coercive force, Low eddy loss, be used covering frequency, medium to high frequencies over the entire frequency range, Products include: strip, sheet, bar, wire and foil. Mainly used for switching power transformers, Precision transformer, Leakage switch transformer, Magnetic shielding, Yoke and weak magnetic field applied high sensitivity small power transformer zero-sequence power transformer, Low-power magnetic amplifiers, high frequency power.

Application: Pulse transformer, Relays, Transformers, Magnetic amplifier, Electromagnetic clutch, Choke core and magnetic shielding, Automotive sensors.

We can control the temperature of the heat treatment in order to achieve customer requirements permeability.

Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribbon wire, sheet, tape, strip, rod and plate.

We’ve already got ISO9001 quality system certificate and approval of ISO14001 environmental protection system.

We own a complete set of advanced production flow of refining, cold reduction, drawing and heat treating etc. We also proudly have independent R&D capacity.

Shanghai Tankii Alloy Material Co., Ltd has accumulated lots of experiences over forty years in this field. During forty years, hundreds of management elites and high science and technology talents were employed.They participated in every walk of the company life, which make our company keep blooming and invincible in the competitive market.

Based on the principle of “first quality, sincere service”, our managing ideology is pursuing technology innovation and creating the top brand in the alloy field. We persist in Quality - the foundation of the survival. It is our forever ideology to serve you with full heart and soul. We committed to provide customers all over the world with high-quality, competitive products and perfect service.

Our products, such us nichrome wire, nichrome strip, fecral wire, fecral strip, thermocouple wire, nickel wire, nickel strip have been exported to Europe, USA, India, Southest Asia, South America,etc.

We are willing to establish strong and long-time partnership with our customers

• Most complete range of products dedicated to Resistance, Thermocouple and Furnace manufacturers
• Quality with end to end production control
• Technical support and Customer Service