Brinell hardness test

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The Brinell hardness test is used to determine the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material test-piece.

The typical test uses a 10 mm (0.39 in) diameter steel ball as an indenter with a 3,000 kgf (29.42 kN; 6,614 lbf) force. For softer materials, a smaller force is used; for harder materials, a tungsten carbide ball is substituted for the steel ball.


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