Steel R9K5
Steel R18F2K8M (EP379)
Steel R9F5 (EI706)
Steel R9M4K8-MP (DI102-MP)
Steel R9M4K8
Steel R9M4K6S (EP722)
R9K5 steel
P9 steel
Steel R8F2K8M5 (EP658)
Steel R7M2F6-MP (DI100-MP)
Steel R6M5F3-MP (DI99-MP)
R6M5F3 steel
Steel R6M5K5-MP (DI101-MP)
R6M5K5 steel
R6M5 steel
P6AM5 steel
P2AM9K5 steel
Steel R18K5F2 (EI940)
R18 steel
R14F4 steel
Steel R13F4K5 (EP600)
Steel R12F3K10M3 (EP682)
R12F3 steel
Steel R12F2K8M3 (EP657)
Steel R12F2K5M3 (EP863)
Steel R12MF5-MP (DI70-MP)
Steel R12M3K5F2-MP (DI103-MP)
Steel 9X4M3F2AGST (EK42)
75KhMF steel
Steel 11R3AM3F2 (EP894)
Steel 11M5F
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | Р9К5 |
| Designation GOST Latin | P9K5 |
| Transliteration | R9K5 |
| The chemical elements | - |
Description
R9K5 steel is used: for the manufacture of tools used when machining high strength, stainless and heat resistant steels and alloys, steels high hardness.
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 |
| Steel wire medium- and high-carbon | В72 | TU 14-1-2783-79 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | V | Mo | W | Co |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 19265-73 | 0.9-1 | ≤0.03 | ≤0.03 | 0.2-0.5 | 3.8-4.4 | 0.2-0.5 | ≤0.6 | The rest | ≤0.25 | 2.3-2.7 | ≤1 | 9-10 | 5-6 |
Fe is the basis.
Technological properties
| Name | The value |
|---|---|
| Grindability | Reduced |
| Viscosity | reduced |
| Resistance to wear | increased |
