Tube made of titanium gost VT14 alloy
Equivalent
| Grade | analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| BT14 | Buy from stock, view availability |
Technical characteristics
Lightweight, durable titanium alloys have opened new structural horizons in modern manufacture. Titanium grades are classified according to crystal lattice configuration: cubic (β-state), in a form of hexahedron (α-state), mixed (α + β). Titanium gost VT14 relates to a group α+β alloys, according to IS 90 013−81, GOST 19 807−74. It is alloyed with aluminum (3,5−6,3%), molybdenum (2,5−3,8%), vanadium (0.9 — 1.9%). Titanium gost VT14 was developed in 1960 by VIAM. It has become the first heat-treatable alloy that was utilized in industries. Effectiveness of age-hardening is about 30%. A type of casting alloy is titanium gost VT14L.
Manufacture of titanium tube
Percentage composition according to GOST 19 807 — 91
| Si | C | Fe | Mo | Ti | N | V | O | Zr | Al | Residual elements |
| ≤0,152 | ≤0.1 | ≤0,25 | 2,5−3,5 | 86,85−92,8 | ≤0.05 | 0.9 — 1.9 | ≤0,15 | ≤0.3 | 3.5- 6.3 | others 0,3 |
Note: titanium constitutes a basis of alloy; its percentage content is noted in table.
| Semi-fabricate | Heat treatment | Strength (MPa) | Plasticity δ% | KCU J/cm³ |
| Banded structure — ring-type stamping | Thermohardening + age-hardening | 1127 — 1189 | 4 — 6.4% | 19.6 — 22.5 |
| Hot-rolled pipes | Annealing | more than 850 | more than 8% | more than 50 |
| Banded structure — ring-type stamping | Thermohardening + age-hardening | 1117 — 1156 | 8.8 — 10.2% | 35.2 — 41.1 |
Application
Titanium tubes of this grade are widely used in gas-producing petrochemical industry, mechanical engineering, for a manufacture of compressors, pipelines, pumps.
Physical characteristics
| Description | Identification |
| Temperature at which are obtained actual characteristics: | 20°С |
| Heat conduction coefficient t° 200 °C [1/ °С] | 8.37 |
| Density g/cm3; |
4.52 |
| Elasticity module of 1 sort Е [MPa] x 10-5 | 1.1 |
| Specific heat of the material [J/(kg/deg)] (range of temperature 20°С) | 0.544 |
| Short-term strength limitsв [MPa] Bar, GOST 26 492−85 | 1080 |
| Short-term strength limitsв [MPa] Sheet, GOST 22 178−76 | 835−885 |
Supplier
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Buy at a bargain price
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