The HBW to HRC calculator is a vital tool used by engineers and scientists to convert the Brinell hardness number (HBW), which measures the indentation hardness of materials, to the Rockwell hardness number (HRC), which is used more extensively in the United States. This conversion is crucial for comparing materials and ensuring that they meet the required specifications for their intended use.
The Formula of HBW to HRC Calculator
To convert HBW to HRC, the following formula is typically used:
Here's what each component represents:
- HRC: Rockwell C Hardness value.
- HBW: Brinell Hardness value.
- 0.102: This is the approximate conversion factor.
- 1.24: This is an adjustment factor to align the scales more closely.
This formula provides a generalized approach, although adjustments may be necessary depending on the specific material being tested due to variations in material properties.
Conversion Table and Tools
| Brinell Hardness (HBW) | Rockwell Hardness (HRC) |
|---|---|
| 100 | 11.44 |
| 150 | 16.64 |
| 200 | 21.84 |
| 250 | 27.04 |
| 300 | 32.24 |
| 350 | 37.44 |
| 400 | 42.64 |
| 450 | 47.84 |
| 500 | 53.04 |
| 550 | 58.24 |
| 600 | 63.44 |
Practical Example of HBW to HRC Calculator
Consider a material with an HBW of 300. Using the formula provided:
HRC = (300 * 0.102) + 1.24 = 31.84
This example shows how the converted HRC value can be use to assess material suitability in real-world engineering applications.
Most Common FAQs
HBW and HRC measure the same property—hardness—but use different scales and testing methods.
Accurate conversions ensure that materials meet the necessary specifications and perform as expected in their application.
While the formula provides a good baseline, it may need adjustment for materials with unusual properties or those that do not conform to standard behavior.