1.1本试验方法涵盖了通过电化学方法测量钢中扩散氢的程序。 1.2本试验方法仅限于碳钢或合金钢，不包括奥氏体不锈钢。 1.3本试验方法仅限于可连接电池的扁平试样（见4.6和4.8）。 1.4本试验方法描述了在移除钢板后对裸钢或电镀钢进行的试验（见4.4）。 1.5本试验方法仅限于在室温20至25℃（68至77℉）下进行测量。 1.6 本标准并非旨在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 test method covers the procedure for measuring diffusible hydrogen in steels by an electrochemical method. 1.2 This test method is limited to carbon or alloy steels, excluding austenitic stainless steels. 1.3 This test method is limited to flat specimens to which the cell can be attached (see 4.6 and 4.8). 1.4 This test method describes testing on bare or plated steel after the plate has been removed (see 4.4). 1.5 This test method is limited to measurements at room temperature, 20 to 25C (68 to 77F). 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.