Steel 10Х2МФБ (ЭИ531)

  • Steel 10Х2М (48ТН-1; 12Х2М)
  • Steel 10Х2М1ФБ (48ТН-2)
  • Steel 10Х2МФБ (ЭИ531)

    • Designation

    Name The value
    Designation GOST Cyrillic 10Х2МФБ
    Designation GOST Latin 10X2MFB
    Transliteration 10H2MFB
    By chemical elements 10Cr2MoVNb
    Name The value
    Designation GOST Cyrillic ЭИ531
    Designation GOST Latin EI531
    Transliteration EhI531
    By chemical elements -

    Description

    10Х2МФБ steel is used: for the production of slabs; details of machinery; electrodes for welding of critical structures, parts of boilers and steam pipes of alloyed steels homemadepoundcakerecipes type ЭИ531 and similar, operating at temperatures up to +575 °C.

    Note

    Steel high-temperature alloy.

    Standards

    Name Code Standards
    Blanks. Of the workpiece. Slabs В31 TU 14-1-3119-81, TU 14-1-789-73
    Sheets and strips В33 TU 14-1-3409-82

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo Nb
    TU 14-1-3119-81 0.08-0.12 ≤0.02 ≤0.02 0.4-0.7 2.1-2.6 0.4-0.7 ≤0.3 Rest ≤0.25 0.2-0.35 ≤0.1 0.5-0.7 0.5-0.8
    TU 14-1-789-73 0.07-0.12 ≤0.025 ≤0.035 0.5-0.7 1.9-2.4 0.35-0.5 - Rest - 0.1-0.3 - 0.4-0.6 0.3-0.6
    Fe is the basis.
    According to TU 14-1-3119-81 for steel grade 10X2MFB, deviations in chemical composition are allowed: for carbon -0.010%, for molybdenum ± 0.050%, for vanadium ± 0.050%. The content of impurities of non-ferrous metals (tin, arsenic, lead, zinc, antimony, bismuth) should not exceed the 1 st point of a ten-point scale of spectral analysis. The content of residual elements in steel should be in accordance with GOST 5632.