CHNHT
for parts with high mechanical properties, wear and corrosion resistance in mildly alkaline, environments of gas (combustion products, technical oxygen), and aqueous solutions.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Cast iron | Low alloy cast iron |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Ni, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 7769-82 | 90.83–94.25 | 1.4–2 | 0.8–1.6 | 0.2–0.6 | 0.05–0.12 | 0.3–0.7 | 0.3–0.6 | 2.7–3.4 | < 0.15 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | Treatment |
|---|---|---|---|---|---|---|
| Casting | GOST 7769-82 | 280 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| GOST 7769-82 | 201–286 |
Standards
| Standard | Description |
|---|---|
| GOST 7769-82 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |