Precision Alloy 25N10GHTY

No foreign analogues

It is used for the manufacture of elastic sensitive elements operating at temperatures up to 250 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, %	ET, %
GOST 10994-74	45.35–50.9	< 0.5	9.5–10.5	12–13	2.8–3.4	24–26	0.8–1.2	< 0.05

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Physical characteristics

Temperature, °C	$$E\cdot 10^{9}$$, $$MPa$$	$$\alpha\cdot 10^{6}$$, $$K^{-1}$$	$$\rho$$, $$\frac{kg}{m^3}$$
20	134	6–8.2	8000

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	d5, %	Treatment
Tape	GOST 14113-78	<2.0	Transverse	raw, cold rolling, thin, Transverse	800–1200	400–700	9–14

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Tape	GOST 10994-74	raw, cold rolling, thin	160–185

Technological Properties

Weldability	Flake Susceptibility	Propensity to temper brittleness
Boundedly welded	not sensitive	loathsome

Limit operating modes

Standard	Температура, °C
GOST 10994-74	< 200

Heat Treatment Modes

Treatment
Hardening followed by aging

Standards

Standard	Description
GOST 10994-74

Description of chemical elements

Element	Units of measurement	Description
ET	%	Total other items
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Ti	%	Titan
Ni	%	Nickel
Al	%	Aluminium

Description of physical characteristics

Parameter	Units of measurement	Description
$$E\cdot 10^{9}$$	$$MPa$$	Elastic modulus
$$\alpha\cdot 10^{6}$$	$$K^{-1}$$	Coefficient of thermal (linear) expansion (range 20°C–T)
$$\rho$$	$$\frac{kg}{m^3}$$	The density of the material

Description of mechanical properties

Parameter	Units of measurement	Description
d5	%	Elongation at break
$$\sigma_{Y}$$	$$MPa$$	Yield strength
$$\sigma _{U}$$	$$MPa$$	Ultimate tensile strength

Designation of types of weldability

Parameter	Units of measurement	Description
no limits		Welding is performed without heating and without subsequent heat treatment
Boundedly welded		Welding is possible with heating up to 100–120 °C and subsequent heat treatment
Difficult to weld		For obtaining quality welded joints, additional operations are required: heating up to 200–300 °C for welding, heat treatment after welding — annealing
Not applicable for welded structures