σU
MPa
σP
MPa
ϵL
ψ
KCU⋅103
Jm2

Multicomponent alloy based on iron 36НХТЮ5М

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	4.0 — 6.0
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	12.5 — 13.5

Domestic analogues

EP221

EP51

36NHTYUM5

The alloy is produced according to the technical requirements of GOST 10994−74. Designed for the manufacture of elastic sensitive elements operating at temperatures up to 350 degrees. WITH

Classification

Country	Section	Category
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, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ti, %	Ni, %	Al, %	P, %	C, %	S, %	Mo, %
GOST 10994-74	37.01–43.7	0.3–0.7	0.8–1.2	12.5–13.5	2.7–3.2	35–37	1–1.3	< 0.02	< 0.05	< 0.02	4–6

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Round					1030	635	10	20	290	Quenching and aging
Wire	GOST 10994-74				1375–1765
Tape				cold-work	1100		1
Tape				soft	880–930		15–20			hardening

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
			400–420

Standards

Standard	Description
Standard	Description
GOST 10994-74

Description of chemical elements

Element	Units of measurement	Description
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
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\sigma_{P}$	$MPa$	Proportionality limit
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness