EP616V Nickel Alloy (HX10S2R2)

Foreign analogues are not installed

Self-fluxing alloy used for the manufacture of valves for automobile engines

Classification

Country	Section	Category
CIS, Russia, Ukraine	Heat resistant steels and alloys	Heat resistant high alloy steel

Chemical composition

Standard	Fe, %	B, %	Mn, %	Cu, %	Ni, %	Al, %
GOST 5949-18	< 3	2–2.6	< 0.4	< 0.25	93.35–98	< 0.4

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Physical characteristics

Temperature, °C	$$\varkappa$$, $$\frac{W}{m\cdot K}$$	$$\rho$$, $$\frac{kg}{m^3}$$	Cp, Дж/кг·К
20	22.5–27.5	8050	456

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	d5, %	Treatment
Tape	GOST 5949-18	1	Transverse	half-firm, rolling, thin, Transverse	720–760	400–440	15–17

Твёрдость по Роквеллу

Rolling	Standard	Classifiers	Value, HRC
Tape	GOST 5949-18	specified strength, cold rolling, thin, Transverse	38–41

Technological Properties

Weldability	Flake Susceptibility	Propensity to temper brittleness
no limits	not sensitive	not inclined

Limit operating modes

Standard	Температура, °C
GOST 5949-18	< 550

Long-term strength

Standard	Treatment	Постоянно приложенное напряжение, МПа
GOST 5949-18		220–240

Standards

Standard	Description
GOST 5949-18

Description of chemical elements

Element	Units of measurement	Description
Fe	%	Iron
B	%	Bor
Mn	%	Manganese
Cu	%	Copper
Ni	%	Nickel
Al	%	Aluminium

Description of physical characteristics

Parameter	Units of measurement	Description
Cp	Дж/кг·К	Specific heat of material
$$\varkappa$$	$$\frac{W}{m\cdot K}$$	Coefficient of thermal conductivity (the heat capacity of the material)
$$\rho$$	$$\frac{kg}{m^3}$$	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