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