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
CIS, Russia, Ukraine Titanium, titanium alloys Wrought Titanium Alloys

Chemical composition

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

Information on suppliers

Physical characteristics

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
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
GOST 19807-91

Description of chemical elements

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
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material

Description of mechanical properties

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