By visiting this site, you accept the use of cookies. More about our cookie policy.

Alloy 31Н8Х

Designation

Name The value
Designation GOST Cyrillic 31Н8Х
Designation GOST Latin 31H8X
Transliteration 31N8H
The chemical elements 31Ni8Cr

Description

Alloy 31Н8Х 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 7.4-8.2 ≤0.18 30.5-31.8 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.

Our consultant will save your time

+49 (170) 650 7006
Telegram:
WhatsApp:

Subscription

Special offers and discounts. :)