Brinell/Rockwell hardness conversion table

Rockwell and Brinell Hardness Conversion Table

The Rockwell and Brinell Hardness Conversion Table is a useful tool for determining the hardness of metals, materials and alloys. In particular, it is useful for determining the hardness of any metal that can be tested using either the Rockwell Hardness or Brinell Hardness method. The table, which is shown below, compares the two hardness measurement techniques and provides information about the type of material being tested.

The Rockwell hardness test is widely used for testing the hardness of metals, alloys and other materials. The Rockwell test works by applying a very precise force to the material, typically done in a laboratory setting. Generally speaking, the higher the Rockwell hardness, the harder the material is. This test is best used to measure the medium-to-high range of hardness values.

The Brinell hardness test is similar to the Rockwell test but measures the hardness of a metal or material with a larger indentation. It is most often used to measure the hardness of metal that cannot be adequately measured with the Rockwell test. The higher the Brinell hardness, the harder the material is. However, it is important to note that the corrosion resistance of a material can also affect its Brinell hardness results.

In order to accurately convert Brinell to Rockwell, or Rockwell to Brinell, the table below provides a good starting point. It provides conversions for different materials and hardness ranges for both the Rockwell and Brinell tests. By using this table, it is possible to compare various metals and alloys in order to determine which one is hardest and most resistant to wear or other environmental damage.

Rockwell/Brinell Hardness Conversion Table

Brinell Hardness (BHN)

Material

80-90

91-100

101-110

111-120

121-130

Aluminum

Rc26-Rc28

Rc29-Rc31

Rc32-Rc34

Rc35-Rc37

Rc38-Rc40

Cast Iron

Rc24-Rc26

Rc27-Rc29

Rc30-Rc32

Rc33-Rc35

Rc36-Rc38

Steel

Rc35-Rc37

Rc38-Rc39

Rc40-Rc42

Rc43-Rc45

Rc46-Rc48

Titanium

Rc26-Rc29

Rc30-Rc33

Rc34-Rc36

Rc37-Rc39

Rc40-Rc42

In summary, the Rockwell and Brinell Hardness Conversion Table is a useful tool for determining the hardness of metals, materials and alloys. It compares the Rockwell and Brinell test methods and provides a range of conversions for different materials and hardness levels. This table can be a useful resource for engineers and material scientists who are attempting to determine which metals and alloys are best suited for various applications.

The Rockwell and Mohs scales are two different scales that measure the hardness, or resistance to potential surface damage, of different materials ranging from metals to minerals. The Rockwell scale was developed first and can measure hardness using a machine and diamond or tungsten carbide ball indenter. The Rockwell scale measures a material’s resistance to surface deformation, but does not measure directly the material’s surface resistance. The Mohs scale, developed shortly after the Rockwell scale, measures hardness by scratching the surface with a hard mineral and comparing it against the material’s surface.

While a direct comparison between the two is not possible, a conversion can be done to convert the two hardness scales. This conversion is not precise but can provide an estimate of a material’s hardness by comparing it to one another. The converted values, however, should be used as a guide only, as the conversion is reliant on the material’s type and quality. This means that any conversion should be used as a guide and not as an exact value.

The Rockwell and Mohs scale conversion table can be quite helpful if you need to determine the hardness of a specific material. It provides a quick and simple way to convert the two scales and determine the approximate hardness of a material. By using the table, you can quickly and easily figure out the approximate hardness of a material without the need to consult a professional.

This table provides a rough indication of the hardness of a material and is a useful tool when you need to compare different materials and make a choice regarding a project or purchase. In any case, it is important to remember that the conversion is not a precise match and should only be used as a guide.