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characteristic
Titanium series BT, grades 6 and 6C, 6H belongs to the group of α + β-alloys. The production of wire, circle, rod of BT series is normalized by GOST 19807−74, and also OST 90013−81. The alloy VT6 contains 4.5% vanadium and 6% Al, and the alloy BT6C 4% vanadium and 5% Al. Aluminum hardens the α + β phase, and vanadium stabilizes the β phase and inhibits the formation of α-2 superstructure in the α phase. Heat treatment of the alloy increases the strength to 20% without loss of ductility.
| Bar | Treatment | Thickness (mm) | KCU J / cm³ | Plasticity δ% | ||
|---|---|---|---|---|---|---|
| VT6s | Annealing Hardening-aging |
10 — 60 D | > 40 | > 10 | ||
| > 30 | > 6 | |||||
| VT6s | Annealing | 140 — 250 P 140 — 250 T |
> 40 | > 6 | ||
| > 40 | > 8 | |||||
| VT6s | Annealing Hardening-aging |
65 — 100 D | > 40 | > 10 | ||
| > 30 | > 6 | |||||
| VT6s | Annealing | 101 — 130 P | > 40 | > 6 | ||
| Catenary ВТ6с | — «- | > 40 | > 10 | |||
| ВТ6ч | — «- | 5 -10 mm | 40 | 17th | ||
Hardening-aging Annealing 800 ° C ½ h to 500 ° C ½ h, air Hardening 920 ° C + 500 ° C 2h Hardening 880 ° C + 500 ° C 2h |
10 mm | 32 | 15 | |||
| --- | 12.3 — 21.7 | |||||
| --- | 12.5 — 17.4 | |||||
| --- | 15.2 — 17.4 | |||||
| Annealing | 11 -25 mm > 25 mm 25 -59 mm 59 -100 mm 100 -160 mm |
> 35 | > 10 | |||
| > 40 | > 10 | |||||
| > 35 | > 9 | |||||
| > 35 | > 9 | |||||
| > 35 | > 8 | |||||
| VT6 | Annealing | 10 — 60 D | > 40 | > 10 | ||
| Hardening-aging | 10 — 60 D | > 25 | > 6 | |||
| VT6 | Annealing | 140 — 250 P 140 — 250 T |
> 30 | > 6 | ||
| > 25 | > 7 | |||||
| VT6 | — «- | 65 — 100 D | > 30 | > 10 | ||
| Hardening-aging | 65 — 100 D | > 25 | > 6 | |||
| VT6 | Annealing | 101 — 150 P | > 30 | > 6 | ||
| Catenary ВТ6 | — «- | --- | > 30 | > 10 | ||
| VT6 | — «- Hardening-aging |
> 25 mm | > 40 | > 10 | ||
| > 30 | > 6 | |||||
| Forged VT6 | Vacuum annealing 800 ° C 4 hours — «- 800 ° C 6 h Hardening 925 ° C + 500 ° C for 3 hours Hardening 920 ° C + 500 ° C for 3 hours |
14 x 14 | 69 | 14 | ||
| --- | 15 | |||||
| 69 | 14 | |||||
| --- | 10 | |||||
| VT6 | Forged condition | 12 mm | --- | 14 | ||
| Pressed VT6 | Annealing | 25 -30 mm | --- | 12 | ||
| ВТ6, beta-forging | Annealing 800 ° C 2h | --- | 36 | 13.2 | ||
| Hardening 825 ° C 1h | --- | thirty | 12 | |||
| BT6 alpha + beta forging | Annealing 800 ° C 2h | --- | 41 | 15.5 | ||
| VT6 | Hardening 825 ° C 1h | --- | 31 | 14.6 | ||
| Tempering 825 ° C 1h + 500 ° C 2h | --- | thirty | 12.7 | |||
| Annealing | --- | 48.6−60.9 | 11.4 — 13.9 | |||
| BT6 forged K | Vacuum annealing 800 ° C for 6 hours | --- | 37.2 | 14 | ||
| Hardening 950 ° C + 500 ° C 2h | --- | KCU J / cm³ | 12 | --- | ||
| > 40 | ||||||
| VT6 rods GP | 800 ° C 1 hour, B | 921 | > 40 | --- | ||
| VT6 forged GP | 1050 ° C 1h. up to 800 ° C, V | 911 | > 30 | 41.1 | ||
| 1050 ° C 1h. up to 800 ° C, B + 500 ° C, 2h | 1030 | > 40 | --- | |||
The transverse direction of the clipping of the samples is P; longitudinal — D; High-altitude — B, tangential — T.
long-lasting strength
Long-term strength is determined by the amount of force that destroys the sample for a certain time at a specific temperature. That is, as the temperature and load increase, the ultimate strength decreases.
heat resistance
It is determined by the maximum stress-the creep limit, under the influence of which the material is deformed after a certain time at a given temperature.
| Bar | t ° С | Treatment | Long-lasting strength (MPa) 100 hours |
|---|---|---|---|
| Ø 25 mm | 350 ° 450 ° |
Annealing | > 608 |
| > 412 | |||
| Ø 25 mm | 350 ° 450 ° |
Hardening + aging | > 813 |
| > 539 |
Dignity
Long products of grade VTCH, VT6 have sufficient heat resistance, due to which it can be operated in a wide range of temperatures. Unique strength properties of raw materials are due to its balanced chemical composition and additional heat treatment. Non-magnetism, high resistance to the influence of aggressive gas-type environments (so-called gas corrosion), against the background of sufficient technological ability, determined the scope of titanium brand VTCH, VT6.
application of
Production of details of aircraft engines, responsible fuselage fastenings. Fragments of equipment for chemical engineering, structural elements working in contact with sea or chlorinated water, industrial condensate. Biological inertness of brand VT6 is important for the production of sports equipment and prostheses. Heat resistance, high specific strength is the basis of structural elements of brackets, beams, power parts of aircraft.
Buy at the best price
To get acquainted in more detail with products, to clarify its main properties, you can place an order through our website www.vmc.com.ua/. The company «VinnitsaMetalloCentre» Ltd. offers an unlimited range of titanium rolled products, in particular, a wide range of wire, a circle, a rod of grade VT6, VT6S, VT6CH. High quality products and the absence of intermediaries determine the most favorable conditions for the purchase of semi-finished products of brand VT6, VT6S, VT6CH for solving current production tasks. Delivery in the shortest time in any region of the country and abroad, the compliance of products of regulatory documentation has long won the trust of regular customers.