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Alexander

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GENERAL CHARACTERISTICS

The precision 79HM alloy is a high-nickel permalloy. Permaloy — a material based on nickel and iron with significant magnetic permeability in weak fields. Low-nickel (40−50% Ni) and high-nickel permalloy (72−82% Ni) are produced. To enhance the magnetic permeability, they are doped with elements such as copper, manganese, etc. Each of the groups has a certain degree of manifestation of electromagnetic properties. Due to the significant nickel content, the 79HM alloy has a high electrical resistance and corrosion resistance. The permalloy is melted in vacuum or under protection of argon. The rolling is stamped with a cold-rolled method with final annealing, to optimize the electromagnetic properties.

The percentage composition of 79NM GOST 10994−74 .

Mo C Cu Fe Ni Ti Mn P S Si Al
3.8−4.1 ≤0,03 ≤0.2 13.73−16.8 78.5−80 ≤0.15 0.6−1.1 ≤0,02 ≤0,02 0.3−0.5 ≤0.15

APPLICATION

Mark 79HM has a min magnetostriction. Used in high-precision instruments with stable operation in an alternating electromagnetic field. The electrical resistance of the 79HM brand varies only within 5%, depending on the strength and direction of the fields. Serves for the manufacture of transformer plates, parts for recording magnetic heads, cores of compact transformers, contactless relays.

BUY AT THE BEST PRICE

Alloy 79NM is presented in the warehouse of LLC «_" with a full range of products that will satisfy any customer. The optimal price category and full compliance with the requirements of technical documentation will ensure the reliability and cost-effectiveness of production Individual work with each customer regardless of the purchase price is the motto of our work from the moment The foundation of the company.