20G2
for the production of tooling increased durability, operating at moderate to considerable pressure without heating the cutting edge
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Alloyed structural steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 10702-78 | 97–98.35 | 0.17–0.37 | 1.3–1.6 | < 0.25 | < 0.2 | < 0.25 | < 0.035 | 0.18–0.26 | < 0.035 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | Treatment |
|---|---|---|---|---|---|---|
| The steel is calibrated. | GOST 10702-78 | 490–686 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Alloy | annealing, hot rolling | 1870 | |
| The bar is hot rolled. | GOST 10702-78 | 1790 |
Analogues
| USA | Germany |
|---|---|
| H15240 | 1.1160 (22Mn6) |
Standards
| Standard | Description |
|---|---|
| GOST 10702-78 |
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 |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |