1. High penetrating rate: Heat holds 8-10 hours, penetrating layer is 0.14-0.18mm, and bright white layer is 0.006-0.01mm.
2. It has a high surface hardness of HV1,000-1,200.
3. The furnace offers big load capacity and low cost for heat-treatment.
4. It features small surface friction coefficient.
5. It has low brittleness.
6. It features a stable performance.