PT7M

Weldability: without restrictions.

Pipes and other thin-walled welded parts; Used in parts for the manufacture of which requires high workability during cold stamping; good corrosion resistance; pseudo α class

Classification

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

Chemical composition

Standard Fe, % Si, % Ti, % Zr, % Al, % C, % O, % N, % H, %
GOST 19807-91 < 0.25 < 0.12 93.834–96.2 2–3 1.8–2.5 < 0.1 < 0.15 < 0.04 < 0.006

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 1.12 4490 1080
100 8.8 9.3 1270
200 8.9 10.5 0.625 1400
300 9.2 11.9 0.659 1520
400 9.4 13.3 0.69

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ d5, % Treatment
Sheet 1–2 thin 500–650 450–600 1000 30
Rod 480–680 380–550 40 900 15–25

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
N % Nitrogen
H % Hydrogen

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)
$$\varkappa$$ $$\frac{W}{m\cdot K}$$ Coefficient of thermal conductivity (the heat capacity of the material)
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material
$$c\cdot 10^{-3}$$ $$\frac{J}{kg\cdot K}$$ The specific heat of the material (range 20°C–T)
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ Electrical resistivity

Description of mechanical properties

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