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⋅109, MPa α⋅106, K−1 ϰ, Wm⋅K ρ, kgm3 c⋅10−3, Jkg⋅K R⋅10−6, Ω⋅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 σU, MPa σY, MPa ψ, % KCU⋅103, Jm2 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⋅109 MPa Elastic modulus
α⋅106 K−1 Coefficient of thermal (linear) expansion (range 20°C–T)
ϰ Wm⋅K Coefficient of thermal conductivity (the heat capacity of the material)
ρ kgm3 The density of the material
c⋅10−3 Jkg⋅K The specific heat of the material (range 20°C–T)
R⋅10−6 Ω⋅m Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
σY MPa Yield strength
σU MPa Ultimate tensile strength
ψ % Reduction in cross section on fracture
KCU⋅103 Jm2 Impact toughness