This practice covers suggested procedures for preparing bare, solid metal specimens for tests, for removing corrosion products after the test has been completed, and for evaluating the corrosion damage that has occurred. Emphasis is placed on procedures related to the evaluation of corrosion by mass loss and pitting measurements. ASTM G 0031 Standard Practice for Preparing, Cleaning, and Evaluating Corrosion Test ASTMG0031 标准下载解压密码：www.bzxz.net