Cast iron CHG7H4
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ЧГ7Х4 |
| Designation GOST Latin |
ChG7X4 |
| Transliteration |
ChG7H4 |
| The chemical elements |
ZrMn7Cr4 |
Description
Cast iron CHG7H4 used: for the manufacture of parts with increased resistance against abrasive wear and abrasion in pulpo - and fileprovider, mills (grinding wear-resistant parts of equipment, parts of pumps, mills lining, hard sandblasting cameras).
Note
Manganese wear-resistant high-alloy 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 |
| GOST 7769-82 |
3-3.8 |
≤0.05 |
≤0.1 |
6-8 |
3-5 |
1.4-2 |
The rest |
Fe is the basis.
Mechanical characteristics
| σB, MPa |
Brinell hardness number, MPa |
| Castings on OST 1 90077-72 |
| ≥150 |
390-450 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |