Steel 20KH12VNMFL

  • Steel 03Х12Н5М6К13Л (VNL-8)
  • Steel 05X18AN5FL
  • Steel 05X18AN6M2FL
  • Steel 06Х12Н3ДЛ
  • Steel 06Х17Н10Г2С2Л (VNL-12)
  • Steel 07X17H16TL
  • Steel 07Х18Н10Г2С2М2Л
  • Steel 07Х18Н9Л (5Х18Н9Л)
  • Steel 07Х20Н25М3Д2ТL
  • Steel 07Х21Н9С2М (VNL-4)
  • Steel 07Х24Н8М2Д3Л (VKL-1)
  • 07KhN25MDTL steel
  • Steel 08G2DNFL
  • Steel 08Х12Н4ГСМЛ
  • 08Cr13HdL steel
  • Steel 08X13L (EI496L)
  • Steel 08Х14Н5М2ДЛ (VNL-3)
  • Steel 08Х14Н7МЛ (VNL-1; 5Х14Н7МЛ)
  • Steel 08X14NDL
  • Steel 08Х15Н4ДМЛ
  • Steel 08Х17Н34В5Т3Ю2Л (5Х17Н34В5Т3У2Л)
  • Steel 08Х17Н34В5Т3Ю2РЛ
  • Steel 09Х16Н4БЛ (10Х16Н4БЛ)
  • Steel 09X17H3SL (10X17H3SL)
  • Steel 10Х12НДЛ (0Х12НДЛ)
  • Steel 10Х14Н5М2Л (VNL-2)
  • Steel 10X14NDL (5X14NDL)
  • Steel 10Х17Н10Г4МБЛ (ЭИ402МЛ; 10Х17Н10Г4МБЛС)
  • Steel 10Х17Н13Г4Д2ТЛ (0Х17Н13Г4Д2ТЛ)
  • Steel 10Х18Н11БЛ (5Х18Н11БЛ)
  • Steel 10Х18Н12М3Л
  • Steel 10Х18Н3Г3Д2Л (0Х18Н3Г3Д2Л)
  • Steel 10Х18Н9БЛ (Х18Н9БЛ)
  • 10X18H9L steel
  • Steel 10Х21Н6М2Л
  • Steel 10Х28Н6М3АL
  • 110G10L steel
  • Steel 110G13L (G13L)
  • Steel 110G13FTL
  • Steel 110G13H2BRL
  • Steel 110Г13ХБРЛ
  • Steel 110Г13ХНЛ
  • 110G8L steel
  • Steel 120G10FL
  • Steel 120Г13Х2БЛ
  • Steel 12МХЛ (12ХМЛ)
  • Steel 12H2DML
  • Steel 12Х13Н3М2Л (VNL-9)
  • Steel 12Х16Н8М2БЛ (VNL-11)
  • Steel 12Х18Н12БЛ (10Х18Н12БЛ)
  • Steel 12Х18Н12М3ТL
  • Steel 12Х18Н6ФАЛ
  • Steel 12X18H7M2FAL
  • Steel 12Х18Н9ТL (10Х18Н9ТL)
  • Steel 12Х19Н7Г2САЛ
  • Steel 12Х21Н5Г2САЛ
  • Steel 12Х21Н5Г2СЛ
  • Steel 12Х21Н5Г2СМ2Л
  • Steel 12Х21Н5Г2СТЛ
  • Steel 12Х25Н5ТМФЛ (10Х25Н5ТМФЛ)
  • 12ХГФЛ steel
  • Steel 130Г14ХМФАЛ
  • Steel 13NDFTL
  • Steel 13Х11Н5М5Л (VNL-5)
  • Steel 14Х18Н4Г4Л (10Х18Н4Г4Л)
  • Steel 14Х2ГМРЛ
  • 15DNML steel
  • Steel 15Х11МФБЛ
  • Steel 15X13L (10X13L)
  • 15X14NL steel
  • Steel 15Х18Н10Г2С2М2Л
  • Steel 15Х18Н10Г2С2М2ТЛ
  • 15X18H10L steel
  • Steel 15Х18Н12С4Л
  • Steel 15Х18Н22В6М2Л
  • Steel 15Х18Н22В6М2РЛ
  • 15Х23Н18Л steel
  • 15X25TL steel
  • 16GDNML steel
  • Steel 16Х18Н12С4ТЛ (ЭИ654ЛК)
  • Steel 18Kh12NMVFL
  • Steel 18Х25Н19СЛ (15Х25Н19СЛ)
  • 20GSNML steel
  • Steel 20H3DML
  • 20FTL steel
  • Steel 20X12VNMFL
  • 20X13L steel
  • Steel 20Х20Н14С2Л
  • Steel 20Х21Н46В8Л
  • Steel 20Х21Н46В8РЛ
  • Steel 20Х25Н19С2Л (15Х25Н19С2Л)
  • Steel 20X5ML
  • Steel 20X5TL
  • Steel 20X8VL
  • 20KhGSNML steel
  • Steel 20ХГСФЛ
  • Steel 25NL
  • Steel 25Х2НМЛ
  • Steel 27KhGSNMDTL (27KhGSNMDTLA)
  • Steel 27ХГСНМЛ
  • Steel 27ХН2МФЛ
  • Steel 30Х16Н22В6БЛ (ЦЖ-13Л)
  • Steel 30Х24Н10АТС2Л
  • Steel 30Х28Н6М2Л
  • Steel 30KhG2STL
  • Steel 31Х19Н9МВБТЛ (ЭИ572Л; 30Х19НМВБТЛ)
  • Steel 35Х18Н24С2Л (30Х18Н24С2Л)
  • Steel 35X23H7SL (25X23H7SL)
  • Steel 35KhMFL
  • Steel 40Г17ХН2 (ММЛ-1)
  • 40X17SL steel (GX40CrSi17)
  • Steel 40Х24Н12СЛ (30Х24Н12СЛ)
  • Steel 40X27H4SL (GX40CrNiSi27-4)
  • Steel 40X29SL (GX40CrSi29)
  • Steel 40Kh9S2L
  • Steel 45G17NMF (MML-3)
  • Steel 45G18H2TUL
  • Steel 45Cr17H13Ni3YuL
  • Steel 4Х4Н5МК (VKL-4М)
  • Steel 50X24H12SAL
  • Steel 55Х18Г14С2ТL
  • Steel 60G17HN2F (MML-2)
  • Steel 60X16G13TL
  • 70XL steel
  • Steel 85X4M5F2V6L (R6M5L)
  • Steel 90G14Yu2
  • Steel 90X28MFTAL
  • Steel 90X4M4F2V6L (R6M4F2L)
  • 95X18M steel (VNL-13)
  • Alloy ANV-300
  • Alloy VZhL8
  • G13Cr2L steel
  • G13HL steel
  • X23H26M3TFL steel
  • X23N28M3D3TL steel
  • X25H13ATL steel

    • Designation

    Name The value
    Designation GOST Cyrillic 20Х12ВНМФЛ
    Designation GOST Latin 20X12BHMFL
    Transliteration 20H12VNMFL
    By chemical elements 20Cr12WНMoV

    Description

    20KH12VNMFL steel is used: for the manufacture of cast turbine components (cylinders, nozzles, diaphragms and valves) with operating temperatures up to +600 °C.

    Note

    Steel corrosion resistant, heat resistant (up to +650 °C) martensite class.

    Standards

    Name Code Standards
    Castings with special properties (iron and steel) В83 GOST 2176-77
    Steel castings В82 GOST 977-88

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu V Mo W
    GOST 977-88 0.17-0.23 ≤0.025 ≤0.03 0.5-0.9 10.5-12.5 0.2-0.6 0.5-0.9 Rest - 0.15-0.3 0.5-0.7 0.7-1.1
    GOST 2176-77 0.17-0.23 ≤0.025 ≤0.03 0.5-0.9 10.5-12.5 0.2-0.6 0.5-0.9 Rest ≤0.3 0.15-0.3 0.5-0.7 0.7-1.1
    Fe is the basis.
    According to GOST 2176-77 the chemical composition is given for steel grade 20Х12ВНМФЛ. Deviations from the norms of chemical composition are allowed: for carbon ± 0.020%; for silicon ± 0.10%; on manganese, copper, chromium and nickel ± 0.10% each; by titanium and tungsten ± 0.050% each; by vanadium, molybdenum and niobium ± 0.020% each.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2
    Annealing, vacation at 710-730 °C (extract 10-15 h), cooling with the furnace to 200 °C + double normalization at 1100 °C and 1050 °C, cooling rate of at least 300 °C/h (blowing air) + vacation at 710-730 °C (extract 10-15 h), cooling with the furnace to 200 °C, air cooling
    100 ≥491 ≥589 ≥15 ≥30 ≥294

    Description mechanical marks

    Name Description
    sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
    σU Limit short-term strength
    d5 Elongation after rupture
    y The relative narrowing
    KCU Toughness