R2AM9K5
Steel has an increased tendency to decarburization and overheating during hardening, good viscosity, good wear resistance, and low grindability.
For cutting tools when machining superior alloyed as well as stainless 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, % | Nb, % | Mo, % | N, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 19265-73 | 73.89–77.84 | 0.2–0.5 | 0.2–0.5 | 4.7–5.2 | 3.8–4.4 | < 0.25 | < 0.6 | 1.7–2.1 | < 0.03 | 1–1.1 | < 0.03 | 0.1–0.3 | 8–9 | 0.05–0.1 | 1.5–2 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$\rho$$, $$\frac{kg}{m^3}$$ |
|---|---|
| 20 | 8180 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Hire | GOST 19265-73 | annealing | 285 |
Analogues
| USA | Germany |
|---|---|
| M30 | 1.3247 (S2-10-1-8) |
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 |
| Nb | % | Niobium |
| Mo | % | Molybdenum |
| N | % | Nitrogen |
| W | % | Tungsten |
Description of physical characteristics
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\rho$$ | $$\frac{kg}{m^3}$$ | The density of the material |