Titanium tubes according to OST1-90065-72

Tubes from premium titanium alloys

Titanium tubes are cold-rolled and cold-drawn from titanium alloys such as VT1-00, VT1-0 and OT4-0.

Titanium tubes size range

Alloy grade of titanium tube	External diameter of titanium tube, mm	Wall thickness of titanium tube, mm	Length of titanium tube, m


VT1-00 VT1-0 OT4-0	8	0,5 - 1,0	Random 0,5-4,0 Cut-to-length - within the limits of random
	10	0,5 - 1,6
	12-18	0,5 - 2,0
	20	0,75 - 2,0
	22-30	1,0 - 2,0

Alloy grade of titanium tube	Standard	Chemical composition, % not more than
Alloy grade of titanium tube	Standard	Ti	Al	Mn	C	Fe	Si	Zr	O	N	H	admixtures


VT1-00	OST 1 9001371	base	-	-	0,05	0,15	0,08	-	0,10	0,04	0,008	0,10
VT1-0		base	-	-	0,07	0,25	0,10	-	0,20	0,04	0,010	0,30
OT4-0		base	0,4-1,4	0,5-1,3	0,10	0,30	0,12	0,30	0,15	0,05	0,012	0,30

Titanium tubes mechanical properties

Alloy grade of titanium tube	Temporary tensile strength, MPa	Relative elongation,%


VT1-00	300 - 450	20
VT1-0	400 - 550	15
OT4-0	500 - 650	15

Titanium tubes are examined with flaring test, flattening and hydraulic tests (according to customer's requirement).