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Tohoku Steel Co., Ltd.
AND OR

Annealing For Improving Magnetic Properties

As a top manufacturer of soft magnetic materials with experience in developing and production of materials, we are able to provide optimum quality steel.

Features

  1. We utilize our technical expertise as a manufacturer of soft magnetic materials to supply top quality products.
  2. We offer a complete assurance system for magnetic properties.
  3. Our independently-developed Hc meter (coercimeter) assures the state of product when it is heat-treated.

Applied materials and products

[Process examples]

Best condition of annealing of soft magnetic materials

Material By product use
Permalloy Magnetic shields, small transformers, magnetic heads
Pure iron Oil pressure solenoid valves, relay cores
Electromagnetic stainless steel Fuel injection system parts, electromagnetic valves
Silicon steel Small power generators, transformers
Product

Heat treatment properties

[Magnetization curve]

[Deterioration of magnetic properties by machining]


Others

  • We offer a complete assurance system for magnetic properties.
  • Our company-produced Hc meter can be used to measure the coercive force of parts.
    However, since there is a size limit for parts, please consult with us in advance.
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