Rockwell hardness testing

{
  "id": "MLC-T-OAG-003184",
  "term": "Rockwell hardness testing",
  "field": "Oil and gas",
  "definition": "A method for measuring the hardness of materials by indenting them with a diamond cone or steel ball under a minor and then a major load. The difference in indentation depth between the two loads is converted into a Rockwell hardness number. This test is widely applied in the oil and gas industry for quality control of metallic components.",
  "subject": "Production",
  "url": "https://mlchart.com/terminology/oil-and-gas/rockwell-hardness-testing/"
}