H6VF (9H5F)
Steel does not apply to welded structures. not prone to temper brittleness. Temperature of critical points: Ac1 = 815, Ac3 (Acm) = 845, Ar3 (Arcm) = 775, Ar1 = 625, Mn = 150. Hardness after annealing (GOST 5950−2000): HB 10 -1 = 241 MPa. Substitutes: H12F1, H12M, 9H5 °F.
rezbokatany tools (rolls and dies), hand saw blades, razors, dies, punches, zubonakatniki and other tools for cold deformation, for wood-cutting tools.