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HRC to HRB Conversion Formula:
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The HRB to HRC conversion provides an approximate relationship between Rockwell B and Rockwell C hardness scales. This conversion is useful for materials that fall between the typical ranges of these two hardness testing methods.
The calculator uses the conversion formula:
Where:
Explanation: This formula provides an approximate conversion between the two Rockwell hardness scales, allowing for quick estimation when direct measurement on the C scale is not available.
Details: Accurate hardness conversion is crucial for material selection, quality control, and comparing hardness values across different testing scales in manufacturing and engineering applications.
Tips: Enter Rockwell B hardness value (HRB) in the input field. The value must be a positive number. The calculator will provide the approximate Rockwell C hardness (HRC) equivalent.
Q1: Why convert between HRB and HRC?
A: Conversion allows comparison of hardness values when materials are tested on different Rockwell scales or when specifications require values from a different scale.
Q2: How accurate is this conversion?
A: This is an approximate conversion. For precise measurements, direct testing on the appropriate Rockwell scale is recommended.
Q3: 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.
Q4: When should I use HRB vs HRC testing?
A: HRB is used for softer materials like aluminum and brass, while HRC is used for harder materials like hardened steels.
Q5: Are there limitations to this conversion?
A: Yes, the conversion is approximate and may not be accurate for all materials or extreme hardness values. Always verify with direct testing when precision is required.