Titanium tubes according to TU 14-3-820-79

Titanium alloy seamless cold-finished tubes

 

Titanium tubes are produced seamless, cold-finished of titanium alloys PT-1M and PT-7M.

For titanium tubes manufacturing billet according to TU 1-5-132-78 is used.

 

 

External diameter of titanium tubes, mm

Wall thickness of titanium tubes, mm

Random lengthof titanium tubes, m

Maximum length for titanium tubes of fixed length, m

5,0

1,2

1,0-8,0

4,0

5,8 8,0

1,0 1,5

1,0-8,0

5,0

10,0 12,0

1,0 2,0

1,0-8,0

6,0

13,0 16,0

1,0 2,8

1,0-8,0

7,0

18,0 21,0

1,0 3,2

1,0-8,0

7,0

21

3,0

1,0-8,0

7,0

22,0 27,0

1,0 3,5

1,0-8,0

7,0

28,0 30,0

1,0 4,0

1,0-8,0

7,0

32,0 40,0

1,0 5,0

1,0-8,0

7,0

42,0

1,2 6,0

1,0-8,0

5,0

45,0 48,0

1,2 7,0

1,0-8,0

5,0

50,0 56,0

1,4 7,0

1,0-8,0

5,0

57,0 60,0

1,5 7,0

1,0-8,0

4,0

63,0 73,0

1,8 7,0

1,0-8,0

4,0

75,0 76,0

2,0 7,0

1,0-8,0

4,0

80,0

2,5 7,0

1,0-8,0

4,0

83,0

2,5 9,0

1,0-8,0

4,0

85,0

3,0 9,0

1,0-8,0

4,0

89,0

3,0 6,0

1,0-8,0

4,0

90

3,0-9,0

1,0-8,0

7,0

95

3,0-9,0

1,0-8,0

7,0

102

4,0-9,0

1,0-8,0

7,0

105

4,0-9,0

1,0-8,0

7,0

108

4,0-9,0

1,0-8,0

7,0

110

4,0-9,0

1,0-8,0

7,0

120

6,0-9,0

1,0-8,0

7,0

Due to agreement with Customer titanium tubes can be delivered of intermediate diameter and wall thickness.

 

Chemical composition of titanium tubes

Alloy grade

of titanium

tubes

Standard of titanium

Chemical composition of titanium tubes, % not more than

Ti

Al

C

Si

Fe

N

O

H

Zr

admixtures

PT-1M OST 1 92077-91 base 0,2-0,7 0,07 0,10 0,20 0,04 0,12 0,007 0,30 0,30

PT-7M

GOST 19807-91 base 1,8-2,5 0,10 0,12 0,25 0,04 0,15 0,007 2,0-3,0 0,30

Hydrogen content is indicated according to requirements of standard.

 

Mechanical properties of titanium tubes

Alloy grade of titanium tubes

At t 20 C

At t 150 C

At t 350 C

Temporary tensile strength, MPa

Yield strength, MPa

Relative elongation,%

Temporary tensile strength, MPa

Yield strength, MPa

Temporary tensile strength, MPa

Yield strength, MPa

not less than

PT-1M

353-569

216

27

225

157

-

-

PT-7M

480-667

382

20

-

-

245

176

Tests

Titanium tubes are tested by flattening, expansion and 100% ultrasonically tests, Hydrostatic pressure tests of tubes is compulsory.