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Hardness HRB To HRC Calculator

HRB to HRC Conversion Formula:

\[ HRC \approx \frac{HRB + 60}{1.5} \]

HRB

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1. What is HRB to HRC Conversion?

The HRB to HRC conversion provides an approximate method to convert Rockwell B hardness values to Rockwell C hardness values. This is useful when comparing materials or when only one hardness scale measurement is available.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

\[ HRC \approx \frac{HRB + 60}{1.5} \]

Where:

Explanation: This formula provides an approximate conversion between the two Rockwell hardness scales, which use different indenters and test forces.

3. Importance of Hardness Conversion

Details: Accurate hardness conversion is important for material selection, quality control, and comparing hardness values across different testing scales in manufacturing and engineering applications.

4. Using the Calculator

Tips: Enter the Rockwell B hardness value in the input field. The value must be a positive number. The calculator will provide the approximate Rockwell C equivalent.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this conversion?
A: This conversion provides an approximate value. For precise measurements, direct testing on the desired scale is recommended.

Q2: What are typical HRB and HRC ranges?
A: HRB typically ranges from 0-100 for softer materials, while HRC ranges from 20-70 for harder materials.

Q3: When is this conversion most useful?
A: This conversion is most useful for general reference and material comparison when direct measurement on the desired scale is not available.

Q4: Are there limitations to this conversion?
A: Yes, the conversion is approximate and may not be accurate for all materials or extreme hardness values.

Q5: Should this conversion be used for critical applications?
A: For critical engineering applications, direct hardness testing on the required scale should always be performed.

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