Steel 25Х13Н2ВМФ (ЭП65; 2Х13НВМФ)

Designation

Name The value
Designation GOST Cyrillic 25Х13Н2ВМФ
Designation GOST Latin 25X13H2BMF
Transliteration 25H13N2VMF
By chemical elements 25Cr13Н2WMoV
Name The value
Designation GOST Cyrillic ЭП65
Designation GOST Latin EP65
Transliteration EhP65
By chemical elements -
Name The value
Designation GOST Cyrillic 2Х13НВМФ
Designation GOST Latin 2X13HBMF
Transliteration 2H13NVMF
By 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 strips 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 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 properties

Section, mm σU, 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
σU Limit short-term strength
d5 Elongation after rupture

Technological properties

Name The value
Macrostructure and pollution Macrostructure of steel shall be no traces of shrinkage, delamination, foreign inclusions.