N18K7M5T
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; steel martensitic aging.
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 | 69 | 7 | 0.5 | 18 | 5.5 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$\rho$$, $$\frac{kg}{m^3}$$ |
|---|---|
| 20 | 8240 |
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|---|
| Alloy | GOST 2591-2006 | 1800 | 1700 | 50 | 0.5 | 8 | 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 |
| $$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |