70H2GL
for producing castings for various industrial applications
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Steels and alloys for castings | Ordinary steel for castings |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|
| GOST 977-88 | 95.25–96.6 | 0.2–0.5 | 0.8–1.2 | 1.8–2.2 | < 0.05 | 0.6–0.75 | < 0.05 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|
| Castings | GOST 977-88 | 785 | 4 | Normalization 820 - 860 ° C, Vacation 630 - 680 ° C |
Heat Treatment Modes
| Treatment |
|---|
| Normalization 820 - 860 ° C, Vacation 630 - 680 ° C |
Standards
| Standard | Description |
|---|---|
| GOST 977-88 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |