ASTM E1236-91(1997) PDF

Scope: 1.1 This practice lists the physical requirements that an impact machine shall meet in order to be registered as a reference machine. 1.2 This practice describes the procedure by which a reference machine shall be qualified to make tests to establish reference values. 1.3 These requirements and procedures are not intended to be applied to impact machines and testing procedures used for purposes other than to qualify machines for the determination of reference values of verification specimens. 1.4 This practice does not describe the procedure by which the reference value for a specified reference material is determined. The procedure varies with the material being tested and is to be found in different standards for various specified verification materials. 1.5 Values stated in inch-pound units are to be regarded as the standard. SI units are given for information only. 1.6 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.

ASTM E1236-91(1997) Referenced Document

ASTM E178 Standard Practice for Dealing With Outlying Observations*， 1994-04-21 Update
ASTM E23 Standard Test Methods for Notched Bar Impact Testing of Metallic Materials*， 1998-12-10 Update
ASTM E456 Standard Terminology for Relating to Quality and Statistics*， 1996-04-21 Update
ASTM E691 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method*， 1999-04-21 Update

1970 ASTM E1236-91(1997) Standard Practice for Qualifying Charpy Impact Machines as Reference Machines