Home Back

Rockwell C To Brinell Calculator

Conversion Formula:

\[ HBW = 10 \times (HRC - 12) \]

HRC

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Rockwell C to Brinell Conversion?

The Rockwell C to Brinell conversion provides an approximate relationship between these two hardness scales. This conversion is particularly useful in materials engineering and metallurgy when comparing hardness values or when specifications require values in a different scale.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

\[ HBW = 10 \times (HRC - 12) \]

Where:

Note: This formula provides a rough approximation and may not be accurate for all materials or extreme values.

3. Importance of Hardness Conversion

Details: Converting between hardness scales is important in materials specification, quality control, and when comparing data from different testing methods or historical records.

4. Using the Calculator

Tips: Enter a valid Rockwell C hardness value (HRC). The calculator will provide the approximate Brinell hardness value (HBW).

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this conversion?
A: This conversion provides a rough approximation. For precise conversions, material-specific conversion charts or more complex formulas may be needed.

Q2: What are typical HRC values for common materials?
A: Hardened steel typically ranges from 50-65 HRC, while annealed steel might be around 20-30 HRC.

Q3: When is this conversion most useful?
A: This conversion is most useful for quick estimates and general comparisons between the two hardness scales.

Q4: Are there limitations to this conversion?
A: Yes, this simple formula may not be accurate for very low or very high hardness values, or for non-ferrous materials.

Q5: Should this conversion be used for critical applications?
A: For critical applications, direct measurement using the appropriate hardness scale is recommended rather than relying on conversions.

Rockwell C To Brinell Calculator© - All Rights Reserved 2025