CHG8D3
for nonmagnetic wear-resistant parts, operated at elevated temperatures.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Cast iron | High alloy cast iron |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cu, % | Ni, % | Al, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 7769-82 | 78.3–84.2 | 2–2.5 | 7–9 | 2.5–3.5 | 0.8–1.5 | 0.5–1 | < 0.3 | 3–3.8 | < 0.1 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | Treatment |
|---|---|---|---|---|---|---|
| Casting | GOST 7769-82 | 150 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| GOST 7769-82 | 176–285 |
Standards
| Standard | Description |
|---|---|
| GOST 7769-82 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cu | % | Copper |
| Ni | % | Nickel |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |