Steel 25Х13Н2ВМФ (ЭП65; 2Х13НВМФ)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
25Х13Н2ВМФ |
| Designation GOST Latin |
25X13H2BMF |
| Transliteration |
25H13N2VMF |
| The chemical elements |
25Cr13Н2WMoV |
| Name |
The value |
| Designation GOST Cyrillic |
ЭП65 |
| Designation GOST Latin |
EP65 |
| Transliteration |
EhP65 |
| The chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
2Х13НВМФ |
| Designation GOST Latin |
2X13HBMF |
| Transliteration |
2H13NVMF |
| The chemical elements |
2Cr13НWMoV |
Description
Steel 25Х13Н2ВМФ applies: as cold rolled and hot rolled flats, for the production of parts for special purposes.
Standards
| Name |
Code |
Standards |
| Sheets and stripes |
В33 |
TU 14-1-2476-78 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
V |
Mo |
W |
| TU 14-1-2476-78 |
0.2-0.26 |
≤0.02 |
≤0.02 |
≤0.6 |
12-13.5 |
≤0.6 |
1.4-2 |
The rest |
0.4-0.7 |
0.45-0.65 |
1.6-2.2 |
Fe is the basis.
According to TU 14-1-2476-78, the chemical composition is given for steel grade 25Х13Н2ВМФ (EP65; 2Х13НВМФ); 25Х13Н2ВМФ-ВД (ЭП65-ВД; 2Х13НВМФ-ВД), 25Х13Н2ВМФ-Ш (ЭП65-Ш; 2Х13НВМФ-Ш). Deviations in chemical composition are allowed in the finished product in accordance with GOST 5632.
Mechanical characteristics
| Section, mm |
σB, MPa |
d5, % |
| Cold-rolled sheet (0.7 to 5.0 mm) and hot-rolled steel (3,0-6,0 mm) made of steel 2Х13НВМФ in the state of delivery on the other 14-1-2476-78. Annealing at 740 °C or Annealing at 850 °C + vacation at 650-680 M, air cooling |
| - |
≤883 |
≥22 |
| Cold-rolled sheet (0.7 to 5.0 mm) and hot-rolled steel (3,0-6,0 mm) made of steel 2Х13НВМФ on the other 14-1-2476-78. Annealing in air 1000-1050 °C + Vacation at 280-350 °C (delay 2-3 hours), air cooling |
|
≥1471 |
≥10 |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
Technological properties
| Name |
The value |
| Macrostructure and contamination |
Macrostructure of steel shall be no traces of shrinkage, delamination, foreign inclusions. |
