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Convert BHN to HRC Calculator

BHN to HRC Conversion Formula:

\[ HRC \approx (BHN \times 0.34) - 13 \]

BHN

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1. What is BHN to HRC Conversion?

The BHN to HRC conversion provides an approximate relationship between Brinell Hardness Number and Rockwell C hardness scales. This conversion is useful when comparing material hardness values across different testing methods.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

\[ HRC \approx (BHN \times 0.34) - 13 \]

Where:

Explanation: This empirical formula provides a quick approximation for converting between Brinell and Rockwell C hardness scales, though exact conversion may vary by material type.

3. Importance of Hardness Conversion

Details: Accurate hardness conversion is essential for material specification, quality control, and comparing test results from different hardness testing methods in manufacturing and engineering applications.

4. Using the Calculator

Tips: Enter the Brinell Hardness Number (BHN) in the input field. The value must be greater than 0. The calculator will provide the approximate Rockwell C hardness value.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this conversion?
A: This conversion provides an approximate value. Actual conversion may vary depending on material composition, heat treatment, and specific testing conditions.

Q2: What are typical BHN and HRC ranges?
A: BHN typically ranges from 100-700 for most steels, while HRC ranges from 20-70 for hardened steels.

Q3: When is this conversion most useful?
A: Most useful for quick estimates and general comparisons between Brinell and Rockwell C hardness values for steel materials.

Q4: Are there limitations to this conversion?
A: Less accurate for very soft or very hard materials, and for non-ferrous metals. Different materials may require specific conversion tables.

Q5: Should this be used for critical applications?
A: For critical engineering applications, refer to standardized conversion tables or conduct actual hardness testing using the required scale.

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