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.
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External diameter of titanium tubes, mm
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Wall thickness of titanium tubes, mm
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Random lengthof titanium tubes, m
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Maximum length for titanium tubes of fixed length, m
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5,0 |
1,2 |
1,0-8,0 |
4,0 |
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5,8 – 8,0 |
1,0 – 1,5 |
1,0-8,0 |
5,0 |
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10,0 – 12,0 |
1,0 –2,0 |
1,0-8,0 |
6,0 |
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13,0 – 16,0 |
1,0 – 2,8 |
1,0-8,0 |
7,0 |
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18,0 – 21,0 |
1,0 – 3,2 |
1,0-8,0 |
7,0 |
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21 |
3,0 |
1,0-8,0 |
7,0 |
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22,0 – 27,0 |
1,0 – 3,5 |
1,0-8,0 |
7,0 |
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28,0 – 30,0 |
1,0 – 4,0 |
1,0-8,0 |
7,0 |
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32,0 – 40,0 |
1,0 – 5,0 |
1,0-8,0 |
7,0 |
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42,0 |
1,2 – 6,0 |
1,0-8,0 |
5,0 |
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45,0 – 48,0 |
1,2 – 7,0 |
1,0-8,0 |
5,0 |
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50,0 – 56,0 |
1,4 – 7,0 |
1,0-8,0 |
5,0 |
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57,0 – 60,0 |
1,5 – 7,0 |
1,0-8,0 |
4,0 |
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63,0 – 73,0 |
1,8 – 7,0 |
1,0-8,0 |
4,0 |
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75,0 – 76,0 |
2,0 – 7,0 |
1,0-8,0 |
4,0 |
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80,0 |
2,5 – 7,0 |
1,0-8,0 |
4,0 |
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83,0 |
2,5 – 9,0 |
1,0-8,0 |
4,0 |
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85,0 |
3,0 – 9,0 |
1,0-8,0 |
4,0 |
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89,0 |
3,0 – 6,0 |
1,0-8,0 |
4,0 |
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90 |
3,0-9,0 |
1,0-8,0 |
7,0 |
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95 |
3,0-9,0 |
1,0-8,0 |
7,0 |
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102 |
4,0-9,0 |
1,0-8,0 |
7,0 |
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105 |
4,0-9,0 |
1,0-8,0 |
7,0 |
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108 |
4,0-9,0 |
1,0-8,0 |
7,0 |
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110 |
4,0-9,0 |
1,0-8,0 |
7,0 |
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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.
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Alloy grade of titanium tubes
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Standard of titanium
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Chemical composition of titanium tubes, % not more than
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Ti |
Al |
C |
Si |
Fe |
N |
O |
H |
Zr |
admixtures |
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| 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 |
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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
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Alloy grade of titanium tubes
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At t 20 °C
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At t 150 °C
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At t 350 °C
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Temporary tensile strength, MPa |
Yield strength, MPa |
Relative elongation,% |
Temporary tensile strength, MPa |
Yield strength, MPa |
Temporary tensile strength, MPa |
Yield strength, MPa |
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not less than |
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PT-1M |
353-569 |
216 |
27 |
225 |
157 |
- |
- |
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PT-7M |
480-667 |
382 |
20 |
- |
- |
245 |
176 |
Titanium tubes are tested by flattening, expansion and 100% ultrasonically tests, Hydrostatic pressure tests of tubes is compulsory.