VCH40
product with high strength and satisfactory ductility
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Cast iron | Nodular cast iron |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|
| GOST 7293-85 | 92.48–96.6 | 0.5–2.9 | 0.2–0.6 | < 0.1 | < 0.1 | 2.7–3.8 | < 0.02 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | Treatment |
|---|---|---|---|---|---|---|---|---|
| Casting | GOST 7293-85 | 400 | 250 | 15 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| GOST 7293-85 | 140–202 |
Analogues
| Germany | USA |
|---|---|
| GGG40 | 60-40-18 |
Standards
| Standard | Description |
|---|---|
| GOST 7293-85 |
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 |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\sigma_{P}$$ | $$MPa$$ | Proportionality limit |
| $$\epsilon_L$$ | % | Elongation at break (longitudinal) |