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ASTM A345-19
Standard Specification for Flat-Rolled Electrical Steels for Magnetic Applications
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NORM herausgegeben am 1.4.2019
Informationen über die Norm:
Bezeichnung normen: ASTM A345-19
Ausgabedatum normen: 1.4.2019
SKU: NS-945367
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM A345-19 :
This specification deals with flat-rolled electrical steels for magnetic applications. These steels are composed principally of iron with relatively small amounts of alloying elements such as silicon and aluminum. The magnetic properties of the material shall be specified. Electrical steels are normally provided with an electrical resistivity appropriate to the core-loss limit and the specified end use. The surface insulation ability may differ widely with the class of electrical steel and the intended end use. Several types of applied coatings available to attain different levels of insulation ability are: C-0, C-2, C-3, C-4, C-4AS, C-5, C5-AS, and C-6. Mechanical properties such as ductility, lamination factor, tensile or yield strength, and so forth shall be specified. Magnetic, electrical, and mechanical tests shall be made.
Keywords:
electrical steel, fully processed, grain-oriented electrical steel, identification, magnetic lamination steel, nonoriented electrical steel, semiprocessed, thin-gauge electrical steel,, ICS Number Code 77.140.50 (Flat steel products and semi-products)
Ergänzende Informationen
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This specification covers general procedures for specifying requirements in the procurement and delivery of flat-rolled electrical steels for magnetic applications. When an applicable individual specification does not exist, this specification enables the user to order a suitable material to be supplied under controlled conditions with respect to magnetic quality, sampling, testing, packaging, and so forth, by specifying certain requirements on the purchase order and citing this specification. 1.2 Individual ASTM electrical steel specifications that are in conformity with this specification are Specifications A677, A683, A726, A840, A876, and A1086. Note 1: For more information on other standards associated
with this specification, refer to the following: Test Methods
A341/A341M, A343/A343M, A348/A348M, A596/A596M, A712, A717/A717M, A719/A719M, A720/A720M, A721/A721M, A773/A773M, A804/A804M, A889/A889M, A937/A937M, A971/A971M, and Practice A664.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to customary (cgs-emu and inch-pound) units which are provided for information only and are not considered standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||
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