R18K5F2
Steel has a reduced tendency to overheat during hardening, a reduced viscosity, increased wear resistance, good grindability.
For roughing and semi-finishing tools when machining high-strength, stainless and heat-resistant steels and alloys.
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 | 65.84–69.54 | 0.2–0.5 | 0.2–0.5 | 4.7–5.2 | 3.8–4.4 | < 0.25 | < 0.6 | 1.8–2.2 | < 0.03 | 0.85–0.95 | < 0.03 | < 1 | 17–18.5 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$\rho$$, $$\frac{kg}{m^3}$$ |
|---|---|
| 20 | 9840 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Hire | GOST 19265-73 | annealing | 285 |
Critical point temperatures
| Ac1, K | Ar1, K |
|---|---|
| 830 | 750 |
Analogues
| Germany | USA | European Union |
|---|---|---|
| 1.3255 | T12004 | HS18-1-1-5 |
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 |