Sun-Tec assists you with Hardness conversions and corrections based on ASTM.

Latest Version

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Update
Oct 6, 2025
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Google Play ID
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1,000+

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SUN-TEC Hardness Converter APP

The SUN-TEC Hardness Converter is a tool for converting data from one hardness scale to another scale(s) and measuring the hardness of Metallic materials for your applications.

Features and Benefits:

- Convert between Rockwell, Vickers, Knoop, Brinell, and Leeb hardness scales.
- Minimum Thickness and Cylindrical corrections for Rockwell scales.
- Diagonal Length(s) conversion to Hardness and Hardness to Diagonal Length(s) for Vickers, Knoop, and Brinell scales.

Available Scales:

- HRA
- HRB
- HRC
- HRD
- HRF
- HR15N
- HR30N
- HR45N
- HR15T
- HR30T
- HR45T
- VICKERS
- KNOOP
- BRINELL
- LEEB (HLD)

Note: All information within this application tool is for reference only.
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