Alloy 24NKH

  • Alloy 19HX
  • Alloy 20NG
  • Alloy 24HX
  • Alloy 45NH
  • Alloy 46H
  • Alloy 75GND

    • Designation

    Name The value
    Designation GOST Cyrillic 24НХ
    Designation GOST Latin 24HX
    Transliteration 24NH
    By chemical elements 24NiCr

    Description

    24NKH alloy is usedas the active layer in the manufacture of thermostatic bimetallic, is used for making sensitive to the temperature change of the elements of control and measuring instruments and apparatus.
    When using alloy grade 42N and the active layer of the alloy 24NKH made thermobimetals brand ТБ107/71 (ТБ1132), which is used for the manufacture of heat-sensitive elements of devices (relays, regulators, pulse sensors, fuses, etc.).
    When using alloy grade 36N and the active layer of the alloy 24NKH made thermobimetals brand ТБ138/80 (ТБ1423), which is used for the manufacture of heat-sensitive elements of devices (relays, regulators, pulse sensors, fuses, etc.).
    When using alloy grade 50N and the active layer of the alloy 24NKH made thermobimetals brand ТБ73/57 (ТБ0831), which is used for the manufacture of thermosensitive elements with a small amount of bending.

    Note

    Thermobimetals ТБ107/71 (ТБ1132) with the average response factor (16,0−19,0)·10-6 deg-1, with an average specific electrical resistance (0,68−0,74) Ohm·mm2/m.
    Thermobimetals ТБ138/80 (ТБ1423) with high coefficient sensitivity (20−24)·10-6 deg-1, with a high specific electrical resistance (0,77−0,84) Ohm·mm2/m.
    Thermobimetals brand ТБ73/57 (ТБ0831) with low coefficient sensitivity (10−13)·10-6 deg-1, with a low specific electrical resistance (0,55−0,60) Ohm·mm2/m.

    Standards

    Name Code Standards
    Tape В34 GOST 10533-86
    Classification, nomenclature and General rules В30 GOST 10994-74
    Bars and shapes В32 TU 14-1-3040-80, TU 14-11-245-88

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe
    GOST 10994-74 0.25-0.35 ≤0.02 ≤0.02 0.3-0.6 2-3 0.15-0.3 23-25 Rest
    Fe is the basis.