Designation
| Name |
The value |
| Designation GOST Cyrillic |
90Х4М4Ф2В6Л |
| Designation GOST Latin |
90X4M4F2B6L |
| Transliteration |
90H4M4F2V6L |
| By chemical elements |
90Cr4Mo4V2W6 |
| Name |
The value |
| Designation GOST Cyrillic |
Р6М4Ф2Л |
| Designation GOST Latin |
P6M4F2L |
| Transliteration |
R6M4F2L |
| By chemical elements |
- |
Description
90KH4M4F2V6L steel is used: for the manufacture of castings for the tool obtained later by hot plastic deformation (forging, hot extrusion) and die-cast metal-cutting tools (used for casting the 1st group).
Note
High speed steel martensitic class. Wear resistant steel, heat resistant.
Standards
| Name |
Code |
Standards |
| Steel castings |
В82 |
GOST 977-88 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Fe |
V |
Mo |
W |
| GOST 977-88 |
0.85-0.95 |
≤0.04 |
≤0.04 |
0.4-0.7 |
3-4 |
0.2-0.4 |
Rest |
2-2.6 |
3-4 |
5-7 |
Fe is the basis.
