8H6NFT (85H6NFТ)
Another designation 85H6NFT. The temperature of the critical points of steel 8Х6НФТ: Ac1 = 730, Ac3 (Acm) = 790, Mn = 180. Hardness after annealing (GOST 5950−2000): HB 10 -1 = 241 MPa.
Knife used for cutting wood, planing saws and other woodworking tools
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Tool steel | Alloy tool steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5950-2000 | 89.94–92.7 | 0.1–0.4 | 0.15–0.45 | 5–6 | 0.05–0.15 | < 0.3 | 0.9–1.3 | 0.3–0.5 | < 0.03 | 0.8–0.9 | < 0.03 |
Information on suppliers
Critical point temperatures
| Ac1, K | Ac3(Acm), K | Mn, K |
|---|---|---|
| 730 | 790 | 180 |
Standards
| Standard | Description |
|---|---|
| GOST 5950-2000 | GOST |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of temperatures of critical points
| Parameter | Units of measurement | Description |
|---|---|---|
| Ac1 | K | |
| Ac3(Acm) | K | |
| Mn | K |