The Class D Single-Column Charpy Impact Tester is equipped with supports that have a curvature radius of 1 mm. This specific radius is designed to ensure accurate, uniform contact with the specimen during impact testing.

A 1 mm radius helps distribute the applied load evenly across the support surface, minimizing stress concentrations that could distort results. This is especially important when testing materials that are thin, brittle, or sensitive to uneven loading.

This curvature value aligns with standardized Charpy testing requirements and supports reliable energy absorption measurements across a variety of sample types.

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