Steel R18K5F2 (ЭИ940)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
Р18К5Ф2 |
| Designation GOST Latin |
P18K5F2 |
| Transliteration |
R18K5F2 |
| The chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ940 |
| Designation GOST Latin |
EI940 |
| Transliteration |
EhI940 |
| The chemical elements |
- |
Description
Steel R18K5F2 used: for the production of roughing and poluchennoy of instruments used in the treatment of high strength, stainless and heat resistant steels and alloys.
Note
The steel has a reduced tendency to overheat during hardening.
Standards
| Name |
Code |
Standards |
| Sectional and shaped rolling |
В22 |
GOST 1133-71, GOST 2590-2006, GOST 2591-2006 |
| Sheets and stripes |
В33 |
GOST 4405-75 |
| Sectional and shaped rolling |
В32 |
GOST 7417-75, GOST 14955-77, GOST 19265-73 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
Mo |
W |
Co |
| GOST 19265-73 |
0.85-0.95 |
≤0.03 |
≤0.03 |
0.2-0.5 |
3.8-4.4 |
0.2-0.5 |
≤0.6 |
The rest |
≤0.25 |
1.8-2.2 |
≤1 |
17-18.5 |
4.7-5.2 |
Fe is the basis.
Technological properties
| Name |
The value |
| Grindability |
good |
| Viscosity |
reduced |
| Resistance to wear |
increased |
