R9K5
Steel has a reduced tendency to overheat during quenching, lower viscosity, increased resistance to wear, reduced grindability.
For the processing of stainless steels and high-temperature alloys, as well as high-steerated steels.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Tool steel | High speed tool steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Co, % | Cr, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 19265-73 | 72.99–76.69 | 0.2–0.5 | 0.2–0.5 | 5–6 | 3.8–4.4 | < 0.25 | < 0.6 | 2.3–2.7 | < 0.03 | 0.9–1 | < 0.03 | < 1 | 9–10 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$\rho$$, $$\frac{kg}{m^3}$$ |
|---|---|
| 20 | 8890 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Hire | GOST 19265-73 | annealing | 269 |
| Hire | GOST 19265-73 | Hardening, average vacation | 255 |
Critical point temperatures
| Ac1, K | Ar1, K |
|---|---|
| 815 | 725 |
Analogues
| USA |
|---|
| T12008 |
Standards
| Standard | Description |
|---|---|
| GOST 19265-73 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Co | % | Cobalt |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Mo | % | Molybdenum |
| W | % | Tungsten |
Description of physical characteristics
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\rho$$ | $$\frac{kg}{m^3}$$ | The density of the material |
Description of temperatures of critical points
| Parameter | Units of measurement | Description |
|---|---|---|
| Ac1 | K | |
| Ar1 | K |