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ASTM E1571-21
Standard Practice for Electromagnetic Examination of Ferromagnetic Steel Wire Rope
NORMA vydaná dňa 1.11.2021
Informácie o norme:
Označenie normy: ASTM E1571-21
Dátum vydania normy: 1.11.2021
Kód tovaru: NS-1041766
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM E1571-21 :
Keywords:
electromagnetic examination, flux leakage, local flaws (LF), magnetic flux, magnetic flux leakage, percent loss of metallic cross-sectional area (LMA), rod reference standards, sensor head, wire rope, wire rope reference standard,, ICS Number Code 77.040.20 (Non-destructive testing of metals)
Doplňujúce informácie
| Significance and Use | ||||||||||||
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5.1?This practice outlines a procedure to standardize an instrument and to use the instrument to examine ferromagnetic wire rope products in which the magnetic flux and magnetic flux leakage methods are used. If properly applied, the magnetic flux method is capable of detecting the presence, location, and magnitude of metal loss from wear, broken wires, and corrosion, and the magnetic flux leakage method is capable of detecting the presence and location of flaws such as broken wires and corrosion pits. 5.2?The instrument's response to the rope's fabrication, installation, and in-service-induced flaws can be significantly different from the instrument's response to artificial flaws such as wire gaps or added wires. For this reason, it is preferable to detect and mark (using set-up standards that represent) real in-service-induced flaws whose characteristics will adversely affect the serviceability of the wire rope. |
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| 1. Scope | ||||||||||||
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1.1?This practice covers the application and standardization of instruments that use the electromagnetic, the magnetic flux, and the magnetic flux leakage examination method to detect flaws and changes in metallic cross-sectional areas in ferromagnetic wire rope products. 1.1.1?This practice includes rope diameters up to 2.5 in. (63.5 mm). Larger diameters may be included, subject to agreement by the users of this practice. 1.2?UnitsThe values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units are provided for information only and are not considered standard. 1.3?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. 1.4?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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