Comprehensive Rockwell Hardness Testing Database • Testing by u/679696 & u/Skylark427

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Avg. HRC
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Interactive Hardness Scale

Click or drag on the scale to filter knives by hardness range

50Soft
58Medium
62Hard
65Very Hard
70Extreme
Low
50-58 HRC
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Medium
58-62 HRC
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High
62-65 HRC
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Extreme
65+ HRC
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Brand Model Steel Hardness Machine Technician Date
📊 Hardness by Steel Type
📈 Hardness Distribution
🏢 Average Hardness by Brand
🔩 Most Tested Steels
🎯 Steel Consistency (Lower = Better)
📊 Hardness Range by Steel