IEEE 431-1958
AIEE Proposed Standard for Presenting Data on Magnetic Core Materials
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About This Item
431-1958 is an AIEE proposed standard for presenting data on magnetic core materials, with a focus on how electrical and magnetic properties should be communicated for components used in circuits and electromagnetic applications. This standard helps organize technical information in a consistent way so engineers can compare materials more reliably during design, testing, and procurement. For users working with magnetic cores, it provides a clear framework for reporting data that supports better material selection and performance evaluation.
431-1958 overview
The purpose of 431-1958 is to establish a practical method for presenting information about magnetic core materials in a form suitable for engineering review. Because magnetic cores influence the behavior of components in fields, waves, and electromagnetics, the way data is reported can affect interpretation and comparison. This standard is relevant where core material characteristics need to be recorded with enough consistency to support design decisions, laboratory analysis, and specification writing. Its value lies in reducing ambiguity in technical communication.
Typical use cases
431-1958 may be used when documenting magnetic core properties for inductors, transformers, reactors, and related passive components. It is also useful in test reports, material qualification files, and engineering specifications where core performance must be described in a structured format. In practice, the standard can support manufacturers, design engineers, and purchasing teams that need to compare magnetic materials across different samples or suppliers while keeping the reporting approach consistent.
Why this standard matters
Consistent data presentation helps reduce errors when evaluating magnetic core materials for electrical designs. 431-1958 supports clearer comparison of test results, which can improve design control and make technical review more efficient. For organizations that specify or assess magnetic components, a recognized reporting format can also lower the risk of misunderstandings during procurement and qualification. In short, the standard helps keep material data usable, traceable, and easier to apply in engineering work.
- Magnetic core material data
- Engineering report format
- Component design support
- Test and comparison basis
- Applied to electromagnetics-related hardware
- Publication Date: 1958
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Fields, Waves and Electromagnetics
- Official IEEE: Doi link
- This Version: 431 (1958)
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