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Alloy 33Н5Х

Designation

Name The value
Designation GOST Cyrillic 33Н5Х
Designation GOST Latin 33H5X
Transliteration 33N5H
The chemical elements 33Ni5Cr

Description

Alloy 33Н5Х 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.

Standards

Name Code Standards
Classification, nomenclature and general norms В30 TU 14-1-4478-88

Chemical composition

Standard C S Mn Cr Si Ni Fe Cu Al Ca Mg
TU 14-1-4478-88 ≤0.05 ≤0.02 0.2-0.4 4.3-5.1 ≤0.18 32.5-33.8 The rest ≤0.05 ≤0.05 ≤0.025 ≤0.05
Fe is the basis.

Technological properties

Name The value
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.

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