Heat treatment of Vibenite®280

Achieve the desired hardness by choosing temperature according to the figure.

1. Heat up to temperature according to curve.
2. Cool down to 25-50 °C. Assure a cooling speed of minimum 7 °C/s between 1000 °C to 800 °C.
3. Temper at 560 °C three times for at least 1 hour each time.
4. Cool to room temperature (25 °C) between tempers.

Surface preparation

1. In order to get the most out of our product:
2. An extra 0,5 mm grinding allowance should be added on highly loaded surfaces.
3. Grinding burns or burrs must be avoided.
4. Highly loaded surface should have a surface finish of 0,2 µm in all directions both before and after PVD coating.
5. Cutting edges should have an edge radius of 5-20 µm.