Research Report RR:E28-1022
An interlaboratory study was conducted for test method E18 to represent the change in the precision statement from the use of steel balls to carbide balls for all scales that use a ball indenter.
Pages: 55 Published: July 2007
Delivery Format: PDF Download
E18-12 Standard Test Methods for Rockwell Hardness of Metallic Materials
Committee E28 on Mechanical Testing
Subcommittee E28.06 on Indentation Hardness Testing