VT14 titanium round bar, sheet
Lightweight, durable titanium alloys has opened a new structural horizons in modern production. Brand Titan are classified by the configuration of the crystal lattice in the form of a cube (β-state), in the form of a hexahedron (α-state) and a mixed state (α+β). Brand VT14 refers to the group α+β alloys, according to OST 90013−81, GOST 19807−74 legoretta aluminum 3,5−6,3%, molybdenum 2,5−3,8%, V 0.9 and 1.9%. VT14 developed в1960 G. Vilom, became the first heat-treatable alloy developed by the industry. Effective aging is about 30%. Option cast alloy — ВТ14Л.
Percentage composition of the alloy BT-14 according to GOST 19807- -91
|≤0.152||≤0.1||≤0.25||2,5−3,5||86,85−92,8||≤0.05||0.9 and 1.9||≤0.15||≤0.3||3,5 — 6,3||Other 0.3|
Note: the base of the alloy is titanium; the interest of its contents listed in the table.
|Production and advantages of titanium pipe brand VT14.|
|Prefabricated||Heat treatment||Strength (MPa)||Plasticity of δ%||KCU j/cm3|
|banded structure — a ring of forging||Quenching + aging||1127 — 1189||4 — 6.4% of||19,6 — 22,5|
|Pipe hot rolled||Annealing||More than 850||More than 8%||More than 50|
|fine-grained structure forming an annular||Quenching + aging||1117 — 1156||8,8 — 10,2%||35,2 — 41,1|
Titanium tubes brand VT14 widely used gas-producing petrochemical industry, mechanical engineering for the production of compressors, pipes, pumps.
|Physical characteristics VT14|
|The temperature at which the received data characteristics, °C||20°C|
|Coefficient of thermal conductivity at 200 °C [1/ °C]||Of 8.37|
|Density [g/cm3]||Of 4.52|
|The modulus of elasticity of 1 of the kind E [MPa]x10-5||1,1|
|Specific heat capacity at 200 °C [j/(kg·deg)]||0,544|
Limit crackbrain. strength sin [MPa] Rod, GOST 26492−85
Limit crackbrain. strength sin [MPa] Sheet, GOST 22178−76
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