HV4
Hardness HB4 after annealing HB 10 -1 = 285 MPa
for piercing Poisson, tools for fine cutting of solid materials with low speed and engraving work
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Tool steel | Alloy tool steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 5950-73 | 91.79–94.4 | 0.15–0.35 | 0.15–0.4 | 0.4–0.7 | < 0.3 | < 0.35 | 0.15–0.3 | < 0.03 | 1.25–1.45 | < 0.03 | 3.5–4.3 |
Information on suppliers
Analogues
| USA |
|---|
| F2 |
Standards
| Standard | Description |
|---|---|
| TU 5950-73 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| W | % | Tungsten |