ASTM E1271-94 PDF

Scope: 1.1 This practice covers the allowable range of mechanical properties at each of three different energy levels of verification specimens of heat-treated steel. 1.2 This practice does not specify the composition or heat treatment for these verification specimens, but Appendix X1 gives examples of composition and heat treatments that have been used successfully in the past. 1.3 This practice describes the procedure that shall be used to establish the value of impact energy that is furnished with the specimens. 1.4 This practice lists information which the supplier of verification specimens shall make available to the purchaser. 1.5 Values stated in inch-pound units are to be regarded as the standard. SI units are provided 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 E1271-94 Referenced Document

ASTM E112 Standard Test Methods for Determining Average Grain Size
ASTM E122 Standard Practice for Calculating Sample Size to Estimate, With a Specified Tolerable Error, the Average for Characteristic of a Lot or Process
ASTM E1236 Standard Practice for Qualifying Charpy Impact Machines as Reference Machines
ASTM E23 Standard Test Methods for Notched Bar Impact Testing of Metallic Materials
ASTM E8 Standard Test Methods for Tension Testing of Metallic Materials

2017 ASTM E1271-94 Standard Practice for Qualifying Charpy Verification Specimens of Heat-Treated Steel (Withdrawn 2003)