The 10-mm-diameter hardened steel or carbide ball used in the Brinell hardness lab test indentations the test material while being loaded with a 3000 kg load. To prevent excessive indentation on softer materials, the weight can be decreased to 1500 kg or 500 kg. The Brinell hardness tester utilized was a mobile, field-friendly hammer strike device. Using a portable, low-powered microscope, the diameter of the indentation left in the test material is measured. To determine the Brinell hardness number (BHN), divide the applied load by the indentation’s surface area.

To determine the BHN at this test site, this measurement of the indentation diameter will be compared to a table. In order to evaluate how well the PWHT process worked, the results of the base metal test, weld metal test, and weld heat-affected zone test will be compared.

NextGen’s Telebrineller Brinell Hardness Testing System uses Telebrineller Hardness Test Bars to determine BNH Values.

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