|Designation GOST Cyrillic||31Н4Х|
|Designation GOST Latin||31H4X|
|By chemical elements||31Ni4Cr|
Alloy 31Н4Х used: for the production of strips and sheets cold-rolled, forged bars, used in the manufacture of magnetic shunts, parts, temperature relay and sensor heating.
|Classification, nomenclature and General rules||В30||TU 14-1-4478-88|
Fe is the basis.
|Features of heat treatment||Recommended heat treatment after the fabrication of parts or specimens for magnetic tests: annealing in vacuum not worse than 10-3 mm of mercury.St. at a temperature of 900 °C with exposure for 2 hours, cooled to 600-650 °C with a speed of 80-120 °C/hour, up to 300-350 °C, at a speed of 30-70 °C/hour, up to 100-150 °C with the switched off oven, then in air.|