N18K12M4T2
For products with high strength with sufficient ductility and toughness, high resistance to small plastic deformations, brittle and fatigue failure, used in mechanical engineering, instrument engineering and tool industry; martensitic-aging steel.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | High strength high alloy structural steel |
Chemical composition
| Standard | Fe, % | Co, % | Ti, % | Ni, % | Mo, % |
|---|---|---|---|---|---|
| GOST 2591-2006 | 64 | 12 | 2 | 18 | 4 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$\rho$$, $$\frac{kg}{m^3}$$ |
|---|---|
| 20 | 8210 |
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Alloy | GOST 2591-2006 | 2450 | 2350 | 35 | 7 | After aging 480-510 ° C |
Standards
| Standard | Description |
|---|---|
| GOST 2591-2006 | GOST 2591-2006 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Co | % | Cobalt |
| Ti | % | Titan |
| Ni | % | Nickel |
| Mo | % | Molybdenum |
Description of physical characteristics
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\rho$$ | $$\frac{kg}{m^3}$$ | The density of the material |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma_{Y}$$ | $$MPa$$ | Yield strength |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\psi$$ | % | Reduction in cross section on fracture |