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Brinell Hardness Testing Services
Hardness is often considered to be a physical property of steel. However, what most people don’t know, is that hardness is a characteristic. It has been defined as the resistance to indentation. It is especially considered for materials like steel and its alloys.
To test the hardness of a material, the ASTM E0 and ISO 6506 standards have defined the Brinell Hardness Test.
The Brinell Hardness test is an effective method for evaluating the resistant properties of a material to applied forces for a specific period. The equipment comprises a spherical tungsten carbide indenter, the specimen, a timer, and a constant load of force ranging between 1838.7469N to 29419.95 N.
The indenter is placed on the specimen and the constant force is applied for a minimum of two seconds to a maximum of eight seconds. If the time is increased further, it is mentioned in the calculation of the test. Once the time is over, the indenter is removed from the specimen’s surface and the residual indentation is measured by taking the arithmetic mean of the two perpendicular diagonals. If the indentation left is large, it means that the material is softer than initially anticipated.