VT1-0

Melting point: 1668 ° C. Weldability without restrictions. Hardness HB 10 ^-1 = 131 — 163 MPa

for products with high strength with sufficient ductility and toughness, high resistance to small plastic deformations, brittle and fatigue fracture, used in machine building, instrument and tool industry, for the manufacture of cryogenic equipment

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Titanium, titanium alloys	Technical Titan

Chemical composition

Standard	Fe, %	Si, %	Ti, %	C, %	O, %	N, %	H, %
Standard	Fe, %	Si, %	Ti, %	C, %	O, %	N, %	H, %
GOST 19807-91	< 0.25	< 0.1	99.24–99.7	< 0.07	< 0.2	< 0.04	< 0.01

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$c\cdot 10^{-3}$ , $\frac{J}{kg\cdot K}$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$c\cdot 10^{-3}$ , $\frac{J}{kg\cdot K}$
20	112		18.85	4505	0.54
100		8.2

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KCU\cdot 10^{3}$ , $\frac{J}{m^2}$	Treatment
Sheet	GOST 22178-76				375	20–30
Trumpet	GOST 24890-81				390–590	15
Round	GOST 26492-85			annealing	345	15	36–40	500–700
Round	GOST 26492-85			enhanced quality	355–540	19–20	38–50	500–1000	Annealing
Plate	GOST 23756-79	11–60			370–570	13	27
Plate	GOST 23756-79	60–150			295–540	10	24

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
			1310–1630

Casting and technological parameters

melting point, °C
melting point, °C
1668

Technological Properties

Weldability
Weldability
no limits

Analogues

Germany	USA	France	Japan	United Kingdom
Germany	USA	France	Japan	United Kingdom
3.7034	Grade2	T-40	Cl2	IMI125
3.7035
Ti2

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
C	%	Carbon
O	%	Oxygen
N	%	Nitrogen
H	%	Hydrogen

Description of physical characteristics

Parameter	Units of measurement	Description
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)

Description of mechanical properties

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

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point	°C	The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa

Designation of types of weldability

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
no limits		Welding is performed without heating and without subsequent heat treatment
Boundedly welded		Welding is possible with heating up to 100–120 °C and subsequent heat treatment
Difficult to weld		For obtaining quality welded joints, additional operations are required: heating up to 200–300 °C for welding, heat treatment after welding — annealing
Not applicable for welded structures