VT8

It is used in GTE parts (disks, blades of a low pressure compressor, fan mounting details). Maximum operating temperature is up to 480 degrees C

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Titanium, titanium alloys	Wrought Titanium Alloys

Chemical composition

Standard	Fe, %	Si, %	Ti, %	Zr, %	Al, %	C, %	O, %	Mo, %	N, %	H, %
Standard	Fe, %	Si, %	Ti, %	Zr, %	Al, %	C, %	O, %	Mo, %	N, %	H, %
GOST 19807-91	< 0.3	0.2–0.4	88.485–91.2	< 0.5	5.8–7	< 0.1	< 0.15	2.8–3	< 0.05	< 0.015

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$
20	4520

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	d5, %	Treatment
Rod	GOST 26492-85				930–980	15–20	200–300	6–8
Rod	GOST 19807-91			enhanced quality	930–1230	19–30	300	7–9

Standards

Standard	Description
Standard	Description
GOST 19807-91

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Ti	%	Titan
Zr	%	Zirconium
Al	%	Aluminium
C	%	Carbon
O	%	Oxygen
Mo	%	Molybdenum
N	%	Nitrogen
H	%	Hydrogen

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
d5	%	Elongation at break
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\psi$	%	Reduction in cross section on fracture
$KCU\cdot 10^{3}$	$\frac{J}{m^2}$	Impact toughness