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Standard Test Methods for Impact Testing of Cast Irons
NORMA vydaná dňa 1.1.2022
Označenie normy: ASTM A327/A327M-22
Dátum vydania normy: 1.1.2022
Kód tovaru: NS-1046459
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
This guide covers standard specification for the details of impact testing apparatus, test specimens, and procedures for cast iron, including gray iron, white iron, malleable iron, ductile iron, and austempered ductile iron, but not including chilled rolls or rolls with white iron skins. The Charpy-type impact test shall be employed for testing gray and white irons. The single-blow Charpy impact test for gray and white irons shall be carried out in a pendulum-type impact machine. The test specimens shall have a plain cylindrical form, machined or ground to a smooth finish and shall conform to the specified values of diameter, length, and span. The standard notch Charpy bar impact test specimen shall be employed. Characterization of the fracture toughness of any cast iron should be based upon testing three specimens.
Keywords:
cast iron, Charpy impact test, impact testing,, ICS Number Code 77.140.80 (Iron and steel castings)
1. Scope | ||||
1.1?These test methods for impact testing cover the details of apparatus, test specimens, and procedures for cast iron, including gray iron, white iron, malleable iron, ductile iron, and austempered ductile iron, but not including chilled rolls or rolls with white iron skins. 1.2?UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the 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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