13H16N3B
Production of general purpose forgings for turbines and compressors
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | P, % | C, % | S, % | Nb, % |
|---|---|---|---|---|---|---|---|---|---|---|
| OST 108.958.04 - 85 | 78.05–81.53 | 0.2–0.7 | 0.4–0.8 | 15.5–17 | < 0.3 | 2.2–2.8 | < 0.025 | 0.1–0.15 | < 0.025 | 0.07–0.15 |
Information on suppliers
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Forgings | OST 108.958.04 - 85 | 590 | 440 | 35 | 390 | 15 |
Brinell hardness number
Standards
| Standard | Description |
|---|---|
| OST 108.958.04 - 85 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
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 |