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Standard Test Methods for Estimating the Depth of Decarburization of Steel Specimens
Automaticky preložený názov:
Štandardné testovacie metódy pre odhad hĺbky dekarbonizované oceľových vzoriek
NORMA vydaná dňa 10.3.2001
Označenie normy: ASTM E1077-01
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.3.2001
Kód tovaru: NS-40351
Počet strán: 10
Približná hmotnosť: 30 g (0.07 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
carbon content, complete decarburization, decarburization, ferrite, microindentation hardness, partial decarburization, steels, total decarburization
1. Scope | ||||||||||||||||||
1.1 These test methods cover procedures for estimating the depth of decarburization of steels irrespective of the composition, matrix microstructure, or section shape. The following basic procedures may be used: 1.1.1 Screening methods. 1.1.2 Microscopical methods. 1.1.3 Microindentation hardness methods. 1.1.4 Chemical analysis methods. 1.2 In case of a dispute, the rigorous quantitative or lineal analysis method (see 7.3.5 and 7.3.6) shall be the referee method. These methods can be employed with any cross-sectional shape. The chemical analytical methods generally reveal a greater depth of decarburization than the microscopical methods but are limited to certain simple shapes and by availability of equipment. These techniques are generally reserved for research studies. The microindentation hardness method is suitable for accurate measurements of hardened structures with relatively homogeneous microstructures. 1.3 The values stated in SI units are to be regarded as standard. The inch-pound equivalents are in parentheses and may be approximate. 1.4 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||||||||||||
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