Enter the load, steel ball diameter, and depression diameter into the calculator to determine the Brinell Hardness of an object.

## Brinell Hardness Formula

The following equation is used to calculate the Brinell Hardness number of a material.

- Where P is the applied load (kg-f)
- D is the diameter of the steel ball ( mm)
- d is the diameter of the indentation caused by the steel ball (mm)

## Brinell Hardness Definition

The Brinell Hardness is a test performed on a material that describes the overall hardness of the material based on the indentation left during the test.

## Brinell Hardness Example

How to calculate Brinell Hardness?

**First, perform the Brinell Hardness test.**Perform the Brinell Hardness test.

**Next, determine the force.**Measure the force applied.

**Next, determine the diameter of the steel ball.**Measure the diameter of the steel ball.

**Next, determine the diameter of the indentation.**Measure the diameter of the indentation.

**Finally, calculate the Brinell Hardness.**Calculate the Brinell Hardness using the formula above.

## FAQ

**What is Brinell Hardness?**

Brinell Hardness is a characteristic of a material that describes it’s hardness through the indentation of a material caused by forcing a steel ball onto the material.

**How is Brinell Hardness performed?**

This test is typically performed by placing a small sheet of material beneath a 10mm diameter steel ball, and applied a force of 3000 kgf to the steel ball.

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