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Russian Metals
BT8
Characteristics of the material BT8
| Grade : | BT8 |
| Classification : | Titanium wrought alloy |
| Application: | used in gas turbine engine parts (disks, low-pressure compressor blades, fan mounting parts). Maximum operating temperature up to 480 degrees C |
| Foreign analogues: | No Data |
Chemical composition in % of BT8 material
GOST -19807 - 91
| Fe | C | Si | Mo | N | You | Al | Zr | O | H | Impurities |
|---|---|---|---|---|---|---|---|---|---|---|
| up to 0.3 | up to 0.1 | 0.2 - 0.4 | 2.8 - 3.8 | up to 0.05 | 87.55 - 90.9 | 5.8 - 7 | up to 0.5 | up to 0.15 | up to 0.015 | other 0.3 |
Note: Ti is the basis;Ti percentage is approximate.
Mechanical properties at T=20 o C of BT8 material.
| Assortment | Size | For example. | σin | σT | δ5 | ψ | KCU | Thermal processing |
|---|---|---|---|---|---|---|---|---|
| - | mm | - | MPa | MPa | % | % | kJ/m² | - |
| Rod, GOST 26492-85 | 930-980 | 6-8 | 15-20 | 200-300 | Annealing | |||
| Rod, high quality, GOST 26492-85 | 930-1230 | 7-9 | 19-30 | 300 | Annealing |
Physical properties of the material BT8.
| T | E 10-5 | α 106 | λ | ρ | C | R 109 |
|---|---|---|---|---|---|---|
| Haill | MPa | 1/Grad | W/(m deg) | kg/ m3 | J/(kg deg) | Ohm m |
| 20 | 4520 |
Designations:
Mechanical properties :
σin - Tensile strength [MPa]
σT - Yield stress [MPa]
δ5 - Specific elongation at fracture [%]
ψ - Reduction of area [%]
KCU - Impact strength [kJ/m²]
HB - Brinell hardness [MPa]
Physical properties :
T - Test temperature [Grade]
E - Young modulus [MPa]
α - Coefficient of linear expansion (20° - T) [1/Grade]
λ - Thermal (heat) condition coefficient [Watt/(m·Grade)]
ρ - Density [kg/m³]
C - Specific heat (range 20° - T) [J/(kg·Grade)]
R - Electrical resistance [Ohm·m]
BT8 - Titanium deformable alloy
- BT8 - chemical composition, mechanical, physical and technological properties, density, hardness, application
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