1.1本规程涵盖了热处理钢验证试样在三个不同能量水平下的机械性能允许范围。 1.2本规程未规定这些验证试样的成分或热处理，但附录X1给出了过去成功使用的成分和热处理示例。 1.3本规程描述了用于确定随试样提供的冲击能值的程序。 1.4本规程列出了验证样本供应商应向买方提供的信息。 1.5以英寸-磅为单位的数值应视为标准值。国际单位制仅供参考。 1.6本标准无意解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。

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.