Cast iron CHJU7H2
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Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЧЮ7Х2 |
| Designation GOST Latin | ChJu7X2 |
| Transliteration | ChYu7H2 |
| The chemical elements | ZrAl7Cr2 |
Description
Cast iron CHJU7H2 used: for the manufacture of parts, abrasion-resistant and heat-resistant in air up to 800 °C (furnace parts valves).
Note
Aluminum heat-resistant and wear-resistant alloyed cast iron.
Standards
| Name | Code | Standards |
|---|---|---|
| Castings with special properties (cast iron and steel) | В83 | GOST 7769-82 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Fe | Al |
|---|---|---|---|---|---|---|---|---|
| GOST 7769-82 | 2.5-3 | ≤0.02 | ≤0.3 | ≤1 | 1.5-3 | 1.5-3 | The rest | 5-9 |
Fe is the basis.
Mechanical characteristics
| σB, MPa | Brinell hardness number, MPa |
|---|---|
| Castings on OST 1 90077-72 | |
| ≥120 | 240-286 |
Description mechanical marks
| Name | Description |
|---|---|
| σB | Limit short-term strength |
