An alloy based on iron alloyed with chromium and nickel. Contains titanium, molybdenum and aluminum (as a deoxidant) 36НХТЮ8М (EP52)

  • Chemical composition
Al Aluminum 1.0 — 1.3
Fe Iron Rest
Si Silicon 0.3 — 0.7
Mn Manganese 0.8 — 1.2
Mo Molybdenum 7.5 — 8.5
Ni Nickel 35.0 — 37.0
S Sulfur <0.02
Ti Titanium 2.7 — 3.2
C Carbon <0.05
P Phosphorus <0.02
Cr Chromium 12.0 — 13.5
Domestic analogues

36NHTYUM8

EP52 (TU 14−1-279−72)

36NHTYUM8 (TU 14−1-279−72)

Heat resistant, corrosion resistant alloy. It is made in Russia in accordance with GOST 10994−74, and is intended for the manufacture of elastic sensitive elements operating at temperatures up to 400 degrees. WITH

Classification

Country Section Category
CIS, Russia, Ukraine Precision alloys With preset elastic properties

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Ni, % Al, % P, % C, % S, % Mo, %
GOST 10994-74 34.51–40.7 0.3–0.7 0.8–1.2 12–13.5 2.7–3.2 35–37 1–1.3 < 0.02 < 0.05 < 0.02 7.5–8.5

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Wire cold-work 1370
Wire cold-work, half-load 1080
Tape cold-work 1180
Tape soft 980 15

Brinell hardness number

Rolling Standard Classifiers Value, HBW
440–450

Standards

Standard Description
GOST 10994-74

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ti % Titan
Ni % Nickel
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)