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Titanium series BT, grades 6 and 6C belongs to the group of α + β-alloys. The production is standardized 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. The casting variant of the alloy is designated by the letter A: BT6L.

The percentage composition of VT6-C GOST 19807−91 .

Al C Si Fe V Zr N O H Ti Dr.
5.3−6.5 ≤0,1 ≤0.15 ≤0.25 3.5−4.5 ≤0.3 ≤0,04 ≤0.15 ≤0,015 the basis ≤0.3

Welding is possible with all types of welding. The density of the brand BT is 4,456. It is used in the production of profiled and flat products.

The percentage composition of VT6 GOST 19807−91 .

Al C Si Fe V Zr N O H Ti Dr.
5.3−6.8 ≤0,1 ≤0.15 ≤0,6 3.5−5.3 ≤0.3 ≤0,05 ≤0.2 ≤0,015 the basis ≤0.3

Heat treatment

Annealing increases the β-phase content to 10%. Aluminum hardens the α + β phase. Heat treatment of the alloy increases the strength to 20% without loss of ductility. High plasticity allows the use of cold deformation during the molding of semi-finished products. Alloy BT6kt with a reduced content of impurities is used at t ° to -196 ° C.

Ud. The weight Properties Melting temperature Using Technology
4.43 g / cm³ High strength and manufacturability, t ° operation + 350 °. The annealed alloy has media. strength 970−1010 ° Details of fastenings GTE (casing of a stopper), details him. Machine building, sports equipment, surgical prostheses. Constructions that work in the water. Good accessibility to pressure treatment, high casting quality and good weldability.

Titanium grades of WTF are used for the production of stamped welded parts for a long time at t ° up to + 450 ° C; They are used in the designs of military helicopters and fighters in the production of power and fastening armature.

Titanium pipes ВТ6, ВТ6С

Trumpet Strength (MPa) Treatment KCU J / cm³ Plasticity δ%
VT6 hot-pressed > 800 Annealing > 40 > 6
VT6s 880 800 ° C 0.5 h — 500 ° C ½ h 67 eleven
870 850 ° C 1 h — 750 ° C ½ h 68 14
— «- 750 ° C for 1 hour, OB 66 eleven
— «- Hot pressed condition 66 7th
Half-sphere ВТ6с, high-speed deformation 1205−1245 Annealing 750 ° C 1 h --- 9−11


Due to its high specific strength, ability to withstand high temperature operating conditions for up to + 450 ° C for a long time without loss of basic performance, pipe semifinished products of VT6, VT6C grade have found application in the production of welded structures for petrochemistry, marine shipbuilding, engineering, aviation, heat exchangers operating in aggressive Environment.

Buy at the best price

Invariably high quality of titanium rolled products and a large selection of semi-finished products of the brand VT6, VT6S of various sizes will help to realize any production tasks. An acceptable price and a wide range of metal products will make your purchase as convenient and comfortable as possible. Full compliance with the requirements of regulatory documentation for products, will ensure a long-term trouble-free operation of the entire complex of industrial equipment. In the absence of the necessary parameters in the product range, the possibility of manufacturing semi-finished products according to the presented drawings can be considered.