VT15

The hardness of the sheet VT15 after quenching and aging HB 10 ^-1 = 341 — 444 MPa

for the production of cavitation-resistant products; class pseudo-β structure

Classification

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

Chemical composition

Standard	Fe, %	Si, %	Cr, %	Ti, %	Al, %	C, %	O, %	Mo, %	N, %	H, %
Standard	Fe, %	Si, %	Cr, %	Ti, %	Al, %	C, %	O, %	Mo, %	N, %	H, %
OST 1-90013-81	< 0.3	< 0.15	9.5–11	76.8–81.4	2.3–3.6	< 0.1	< 0.12	6.8–8	< 0.05	< 0.012

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	Treatment
Sheet					900–1050	850	10–25
Sheet					1350–1500	1180	4–8

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Sheet		Hardening, aging	341–444

Standards

Standard	Description
Standard	Description
OST 1-90013-81

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Cr	%	Chrome
Ti	%	Titan
Al	%	Aluminium
C	%	Carbon
O	%	Oxygen
Mo	%	Molybdenum
N	%	Nitrogen
H	%	Hydrogen

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\sigma_{P}$	$MPa$	Proportionality limit
$\epsilon_L$	%	Elongation at break (longitudinal)