Standard Download ASTM E Description. astm e Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method Practice ASTM EFree download as PDF File.pdf), Text File.txt) or read online for free. The statistical techniques described in this practice provide adequate information for formulating the precision statement of a test method ASTM Specification HB, maxA Number Grade CM carbon-molybdenum steel A /A M A CM carbon-molybdenum steel A /A B CM carbon-molybd