VT9 titanium round bar, sheet
Titan brand are classified according to the configuration of the crystal lattice: cubic (β-state), in the form of a hexahedron (α-condition), mixed (α+β). VT9 brand belongs to the group α+β alloys. Alloyed with aluminium and 6.4%, molybdenum — 3%, Zn — 1,5%, silicon — 0.25 percent. Developed в1960 G. Viemam. VT9 is the first thermally hardened alloy, mastered by the industry. The highest strength properties are achieved at temperatures up to 500 °C.
Percentage composition of the alloy BT-9 according to GOST 19807- -91
|The 5.8−7.5||≤0.05||≤0.015||86,15−89,9||0.2 — 0.35||≤0.1||≤0,25||1−2||≤0.15||2−3|
Note: the Titan is a basis; it is the percentage specified in the table… Dopustim impurities up to 0.3%.
|UD. weight||Properties||t° plaul.||Application||Technology|
|Of 4.48 g/cm3||A high percentage of aluminum and silicon doping increases the strength, heat resistance, compared to VT6. Designed to work at temperatures 400 — 500 °C. the combination of qualities ensures an optimally insulated and double annealing. The content of the phase β in the annealed alloy is 10%. Thermally hardened alloys by aging and quenching.||980−1020°||Items GTE: blades and discs etc. parts of the compressors.||Deformed satisfactorily in a hot condition. Under pressure treatment, the worse processability compared to VT6. Welding is not recommended.|
Pipe brand titanium VT9 widely used gas-producing petrochemical engineering industry for the production of compressors, pipes, pumps, etc.
|Physical characteristics of the W-9|
|The temperature at which the received data characteristics, °C||20°C|
|Coefficient of thermal conductivity at 200 °C [1/ °C]||10,5|
|Density [g/cm3]||Of 4.51|
|The modulus of elasticity of 1 of the kind E [MPa]x10-5||1,18|
Limit crackbrain. strength sin [MPa] Rod, GOST 26492−85
Limit crackbrain. strength sin [MPa] the Rod unit quality, GOST 26492−85
|Electrical resistivity, Mhmm2/m||R|
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