08G2DNFL
for large body parts; Tops frame casings, beds bearings, cast parts for heavy-duty excavators and other high strength welded parts.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Steels and alloys for castings | Ordinary steel for castings |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | РЗЭ, % | V, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 21357-87 | 94.68–96.51 | 0.15–0.4 | 1.3–1.7 | < 0.3 | 0.8–1.1 | 1.15–1.55 | 0.02–0.05 | 0.02–0.08 | < 0.02 | 0.05–0.1 | < 0.02 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Castings | GOST 21357-87 | 500 | 400 | 45 | 20 | Normalization 930 - 970 ° C or Normalization 920 - 950 ° C, Release 590 - 630 ° C |
Heat Treatment Modes
| Treatment |
|---|
| Normalization 930 - 970 ° C or Normalization 920 - 950 ° C, Release 590 - 630 ° C |
Standards
| Standard | Description |
|---|---|
| GOST 21357-87 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| РЗЭ | % | Rare earth elements |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
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 |