ASTM-A327 2006

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A327-91(2006) Standard Test Methods for Impact Testing of Cast Irons

Published By	Publication Date	Number of Pages
ASTM	2006	4

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Categories: 77.140.80 - Iron and steel castings, ASTM

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Description

ASTM A327-91-Reapproved2006

Historical Standard: Standard Test Methods for Impact Testing of Cast Irons

ASTM A327

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 The values stated in inch-pound units are to be regarded as the standard. A companion standard, A 327M, lists values in SI units.

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 and health practices and determine the applicability of regulatory limitations prior to use.

1.3 The Charpy-type impact test shall be employed for testing gray and white irons.

1.4 Either the standard notched or unnotched Charpy impact test shall be employed in testing of malleable or ductile irons. Selection of the type bar is dependent upon the specific material to be evaluated as defined in Section .

1.5 Both types of charpy bars have been designated to characterize the fracture toughness of irons. The unnotched Charpy bar, when tested, will produce substantially higher energy values than the notch bar type. The unnotched bar is therefore specified for testing irons that have low fracture toughness characteristics.

Keywords

ICS Code

ICS Number Code 77.140.80 (Iron and steel castings)

DOI: 10.1520/A0327-91R06

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Scope Apparatus Test Specimens Procedure Report Scope Charpy Test Bar Type
2	Apparatus Test Specimens Procedure Report Precision and Bias FIG. 1
3	FIG. 2
4	FIG. 3

Additional information

Standard Title	A327-91(2006) Standard Test Methods for Impact Testing of Cast Irons
Published Code	ASTM
Publication Date	2006
Pages Count	4
ICS Codes	77.140.80 - Iron and steel castings