MES offers fast and reliable hardness testing of metals, polymers, and minerals.
Rockwell hardness testing is the most widely used method for determining the superficial hardness of a material. The majority of Rockwell hardness values for steels are covered by the Rockwell C and B scales. Thinner samples are tested using lighter loads associated with the Rockwell T and N scales. Generally, the surface should be flat and sanded smooth to obtain an average of three of more readings.
The Brinell Hardness Test is utilized to measure hardness over a larger sample areas. Brinell hardness is particularly useful for castings and forgings, that have a rough surface or micro structure too coarse for other hardness testing methods. Brinell testing is often performed with a high test load (500 to 3000 kgf) and a 10mm wide indenter so that the resulting indentation averages out most surface and sub-surface inconsistencies. The resulting impression is measured across at least two diameters and these result averaged. The averaged diameter measurement is then converted to a Brinell hardness number.
- Non destructive minus a small indentation
- Simple and rapid procedure for fast results
- Converts to all common hardness scales
- Standardized test methods
- ASTM E18 – Rockwell
- ASTM E10 – Brinell
- Accessibility to test area
- Smooth surface finish free of coatings
- Minimum thickness of 0.02”/li>
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