12H2NM1FA
for the manufacture of rolled products used in the heat-treated
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Alloyed structural steel |
Chemical composition
| Standard | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % |
|---|---|---|---|---|---|---|---|---|---|---|
| GOST 11268 - 76 | 0.17–0.37 | 0.6–0.9 | 1.9–2.4 | < 0.25 | 1.2–1.6 | 0.18–0.28 | < 0.025 | 0.09–0.16 | < 0.025 | 0.7–1 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|
| The plates | GOST 11269-76 | 490–740 | 15 | Normalization | ||||
| The plates | GOST 11269-76 | 980 | 590 | 11 | Hardening and tempering | |||
| Sheet | GOST 11268 - 76 | 490–740 | 15 | Normalization | ||||
| Sheet | GOST 11268 - 76 | 980 | 11 | Hardening and tempering |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| The plates | GOST 11269-76 | normalization | 156–217 |
Standards
| Standard | Description |
|---|---|
| GOST 11268 - 76 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Mo | % | Molybdenum |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |