IEC 60404-1:2016
Collections
International IEC standards
Publication date
October 2016
Number of pages
44 p.
Reference
IEC 60404-1:2016
Print number
3
IEC 60404-1:2016
October 2016
International standard
Current
Magnetic materials - Part 1: Classification
IEC 60404-1:2016 is intended to classify commercially available magnetic materials. The term "magnetic materials" denotes substances where the application requires the existence of ferromagnetic or ferrimagnetic properties. The classification of magnetic materials is based upon the generally recognized existence of two main groups of products:- soft magnetic materials (coercivity less than or equal to 1 000 A/m);- hard magnetic materials (coercivity greater than 1 000 A/m). This edition includes the following significant technical changes with respect to the previous edition:a) Removal of all tables and values describing typical properties of the material to be consistent with the aim of the document to be a classification and not a specification.b) Enlargement of the Ni content for the classes E1 and E3.c) Enlargement of the Co content for the classes F3.d) Addition of a new class: U5 bonded rare earth-iron-nitrogen magnets.
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Sumary
Magnetic materials - Part 1: Classification
IEC 60404-1:2016 is intended to classify commercially available magnetic materials. The term "magnetic materials" denotes substances where the application requires the existence of ferromagnetic or ferrimagnetic properties. The classification of magnetic materials is based upon the generally recognized existence of two main groups of products:
- soft magnetic materials (coercivity less than or equal to 1 000 A/m);
- hard magnetic materials (coercivity greater than 1 000 A/m). This edition includes the following significant technical changes with respect to the previous edition:
a) Removal of all tables and values describing typical properties of the material to be consistent with the aim of the document to be a classification and not a specification.
b) Enlargement of the Ni content for the classes E1 and E3.
c) Enlargement of the Co content for the classes F3.
d) Addition of a new class: U5 bonded rare earth-iron-nitrogen magnets.
IEC 60404-1:2016 is intended to classify commercially available magnetic materials. The term "magnetic materials" denotes substances where the application requires the existence of ferromagnetic or ferrimagnetic properties. The classification of magnetic materials is based upon the generally recognized existence of two main groups of products:
- soft magnetic materials (coercivity less than or equal to 1 000 A/m);
- hard magnetic materials (coercivity greater than 1 000 A/m). This edition includes the following significant technical changes with respect to the previous edition:
a) Removal of all tables and values describing typical properties of the material to be consistent with the aim of the document to be a classification and not a specification.
b) Enlargement of the Ni content for the classes E1 and E3.
c) Enlargement of the Co content for the classes F3.
d) Addition of a new class: U5 bonded rare earth-iron-nitrogen magnets.
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Replaced standards
(1)
IEC 60404-1:2000
August 2000
International standard
Cancelled
Magnetic materials - Part 1: Classification
Intended to classify commercially available magnetic materials. The term "magnetic materials" denotes substances where the application requires the existence of ferromagnetic or ferrimagnetic properties. The classification of magnetic materials is based upon the generally recognized existence of two main groups of products. - soft magnetic materials (coercivity less than or equal to 1000 A/m) - hard magnetic materials (coercivity greater than 1000 A/m) Within these main groups, the classification when appropriate recognizes the following characteristics: - the main allowing element and the metallurgical state and physical properties of the material; - when possible and convenient, the relationship between these characteristics is identified. A classification by specific areas of application cannot be applied to all materials because different materials can very often be used for the same application depending on the characteristics required.
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