CHYU7H2
for parts with heat resistance in air up to 800 degrees C, resistant to abrasion.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Cast iron | High alloy cast iron |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Al, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|
| GOST 7769-82 | 80.68–89.5 | 1.5–3 | < 1 | 1.5–3 | 5–9 | < 0.3 | 2.5–3 | < 0.02 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | Treatment |
|---|---|---|---|---|---|---|
| Casting | GOST 7769-82 | 120 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| GOST 7769-82 | 240–286 |
Standards
| Standard | Description |
|---|---|
| GOST 7769-82 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |