Alloy KHN60VT (ЭИ868; ВЖ98)

  • Alloy 05KhN46MVBh (DI65)
  • Alloy KhN30VMT (EP437; VZH102)
  • Alloy KhN30TDU (EP655; VNS12)
  • Alloy KhN38VT (EI703)
  • Alloy KhN45TU (EK101; VKS-46)
  • Alloy KhN45Yu (EP747)
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  • Alloy CrN60VT (EI868; VZh98)
  • Alloy KhN60Yu (EI559A)
  • Alloy KhN70Yu (EI652)
  • Alloy KhN75MBTU (EI602)
  • Alloy KhN77TU (EI437A)
  • Alloy CrN78T (EI435)
  • Alloy EC79

    • Designation

    Name The value
    Designation GOST Cyrillic ХН60ВТ
    Designation GOST Latin XH60BT
    Transliteration HN60VT
    By chemical elements CrNi60ВTe
    Name The value
    Designation GOST Cyrillic ЭИ868
    Designation GOST Latin EI868
    Transliteration EhI868
    By chemical elements -
    Name The value
    Designation GOST Cyrillic ВЖ98
    Designation GOST Latin BZh98
    Transliteration VG98
    By chemical elements ВFe98

    Description

    Alloy KHN60VT used: for the manufacture of cold rolled strips; hot rolled and forged bars; sheet metal parts of engines and turbines, operating at temperatures up to +1000 °C; welded non-profiled and profiled rings of hot rolled and extruded sections; welding wire used for welding parts and welding of steel structures in energy engineering; welding electrodes.

    Note

    Alloy, heat-resistant and heat-resistant Nickel-based.
    The recommended maximum operating temperature for a long time +1000 °C. the Temperature of intensive scaling in air +1100 °C.

    Standards

    Name Code Standards
    Sheets and strips В23 GOST 19904-90
    Classification, nomenclature and General rules В30 GOST 5632-72
    Processing of metals by pressure. Forgings В03 OST 1 90110-73, TU 14-1-1530-75, ST ЦКБА 010-2004
    Blanks. Of the workpiece. Slabs В31 OST 3-1686-90, OST 1 90234-92, OST 1 90375-87, OST 1 90399-91, TU 14-1-1214-75, TU 1-6-800-85
    Thermal and thermochemical treatment of metals В04 ST ЦКБА 016-2005
    Bars and shapes В32 TU 1-6-758-75, TU 14-11-245-88, TU 14-1-2287-77, TU 14-1-286-98
    Sheets and strips В33 TU 14-1-146-71, TU 14-1-1494-75, TU 14-1-1747-76, TU 14-1-4296-87
    Bars В55 TU 14-1-3148-81
    Tape В34 TU 14-1-927-74
    Welding and cutting metals. Soldering, riveting В05 TU 14-1-997-74, TU 14-1-997-2012
    Steel pipes and fittings to them В62 TU 14-3-571-77

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu Al Ti Mo Ca W
    TU 14-1-927-74 ≤0.1 ≤0.013 ≤0.013 ≤0.5 23.5-26.5 ≤0.8 Rest ≤4 ≤0.07 ≤0.5 0.3-0.7 ≤1.5 - 13-16
    TU 14-1-4296-87 ≤0.1 ≤0.013 ≤0.013 ≤0.5 23.5-26.5 ≤0.8 Rest ≤4 ≤0.3 ≤0.5 0.3-0.7 ≤1.5 ≤0.05 13-16
    TU 14-1-286-98 ≤0.1 ≤0.013 ≤0.013 ≤0.5 23.5-26.5 ≤0.8 Rest ≤4 - ≤0.5 0.3-0.7 ≤1.5 - 13-16
    TU 14-1-1747-76 ≤0.1 ≤0.013 ≤0.013 ≤0.5 23.5-26.5 ≤0.8 Rest ≤4 ≤0.07 ≤0.5 0.3-0.7 ≤1.5 ≤0.05 13-16
    GOST 5632-72 ≤0.1 ≤0.013 ≤0.013 ≤0.5 23.5-26.5 ≤0.8 Rest ≤4 ≤0.3 ≤0.5 0.3-0.7 ≤1.5 - 13-16
    Ni is the basis.
    According to TU 14-1-1747-76, the chemical composition is given for steel grades ХН60ВТ, ХН60ВТ-ВД, ХН60ВТ-Ш.
    According to TU 14-1-286-98, calcium (Ca) in the amount of ≤ 0.050% is calculated into metal with open melting and plasma-arc remelting by calculation and chemical analysis is not determined.
    According to TU 14-1-927-74 deoxidizers (cerium, calcium, barium) are introduced into the metal by calculation and chemical analysis is not determined.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
    Blank pieces of pipe fittings and welded assemblies at ST CKBA 016-2005. Quenching in water or air with 1190-1210 °C (exposure 2 hours) + Aging at 790-810 °C (exposure for 10 h), air cooling
    ≤100 ≥343 ≥686 ≥20 ≥30 ≥686 190-250
    Steel hot-rolled sheet (4-11 mm). Quenching in water, in air or under water shower with 1150-1200 °C
    - ≤980 ≥40 - - -
    Annealing in air from 1200 °C
    ≥4 - ≥750 ≥40 - - -
    Steel hot-rolled sheet (4-11 mm). Quenching in water, in air or under water shower with 1150-1200 °C
    - ≥200 ≥40 - - -
    Annealing in air from 1200 °C
    ≤25 ≥300 ≥750 ≥45 ≥52 - -
    Steel cold-rolled sheet (0.8 to 3.9 mm) as supplied
    - - ≤1030 ≥40 - - -
    Ring welded alloy grades KHN60VT, KHN60VT-VD at OST 1 90234-92. Hardening in air, 1130-1160 °C
    - ≥735 ≥35 - - -
    Steel cold-rolled sheet (0.8 to 3.9 mm) as supplied
    - - ≥180 ≥30 - - -
    Ring welded alloy grades KHN60VT, KHN60VT-VD at OST 1 90234-92. Hardening in air, 1130-1160 °C
    - ≥657 ≥17 - - -
    Bars and rods, hot-rolled (round) and iron (round and square) on the other 14-1-286-98. Heating for 0.5-1.0 hour at 1150-1200 °C, air cooling
    - - ≥215.6 ≥45 ≥50 - -
    Ring welded at OST 1 90375-87. Hardening in air, 1120-1160 °C
    - ≥735 ≥35 - - -
    - ≥665 ≥22 - - -
    Cold-rolled steel strip of 0.2-1.2 mm on the other 14-1-927-74. Quenching in water or air from 1150-1200 °C
    - ≤981 ≥35 - - -
    Tape. Hardening in air, 1150-1170 °C
    - ≥700 ≥30 - - -

    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
    HB Brinell hardness number

    Physical characteristics

    Temperature Е, HPa r, kg/m3 l, W/(m · °C) a, 10-6 1/°C С, J/(kg · °C)
    20 190 8800 296 - -
    700 139 - 234 156 540
    800 112 - 255 16 570
    900 81 - 28 162 590
    1000 50 - - 168 -
    100 - - 105 127 440
    200 - - 117 132 460
    300 - - 138 136 480
    400 - - 163 141 500
    500 - - 188 145 520
    600 - - 213 151 540

    A description of the physical symbols

    Name Description
    Е The normal elasticity modulus
    r Density
    l Coefficient of thermal conductivity
    R UD. the resistivity

    Technological properties

    Name The value
    Weldability The alloy is welded without restrictions. The welding in the hardened state. Welded Assembly shall be subjected to aging.