07H16N4B
It is intended for the manufacture of high-loaded parts of ship engineering products, welded assemblies, nuclear power facilities, chemical industry. According to ST-TsKBA 010−2004 critical temperature of brittleness -10 ° C
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant ordinary steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Nb, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-72 | 76.155–81.05 | < 0.6 | 0.2–0.5 | 15–16.5 | < 0.2 | < 0.3 | 3.5–4.5 | < 0.2 | < 0.025 | 0.05–0.1 | < 0.02 | 0.2–0.4 | < 0.3 | < 0.2 |
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 | GOST 25054-81 | < 600 | Longitudinal | 882 | 690 | 40–55 | 590–880 | 11–14 | Hardening and tempering |
Standards
| Standard | Description |
|---|---|
| GOST 5632-72 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
| Mo | % | Molybdenum |
| W | % | Tungsten |
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 |