8HF
For stamps for cold work, knives for cold cutting of metal, trimming dies.
for stamps for cold work; knives for cold metal cutting, trimming matrices and Poisson during the cold cutting burr; center punches
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Tool steel | Alloy tool steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ni, % | V, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 5950-2000 | 96.89–98.5 | 0.1–0.4 | 0.15–0.45 | 0.4–0.7 | < 0.4 | 0.15–0.3 | < 0.03 | 0.7–0.8 | < 0.03 |
Information on suppliers
Critical point temperatures
| Ac1, K | Ac3(Acm), K | Ar1, K | Mn, K |
|---|---|---|---|
| 740 | 750 | 700 | 215 |
Analogues
| Germany |
|---|
| 1.2235 (80CrV2) |
Standards
| Standard | Description |
|---|---|
| GOST 5950-2000 | GOST |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| 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 | |
| Ar1 | K | |
| Mn | K |