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Russian Metals
BT9
Characteristics of the material BT9
| Grade : | BT9 |
| Classification : | Titanium wrought alloy |
| Application: | parts operating at temperatures up to 500 °, gas turbine engine parts (disks, blades) and other compressor parts; structure class α+β |
| Foreign analogues: | No data |
Chemical composition in % of BT9 material
GOST 1-19807 - 91
| Fe | C | Si | Mo | N | You | Al | Zr | O | H | Impurities |
|---|---|---|---|---|---|---|---|---|---|---|
| up to 0.25 | up to 0.1 | 0.2 - 0.35 | 2.8 - 3.8 | up to 0.05 | 86.15 - 89.9 | 5.8 - 7 | 1 - 2 | 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 VT3-1 material.
| Assortment | Size | For example. | σin | σT | δ5 | ψ | KCU | Thermal processing |
|---|---|---|---|---|---|---|---|---|
| - | mm | - | MPa | MPa | % | % | kJ/m² | - |
| Rod, GOST 26492-85 | 930-980 | 6-7 | 15-16 | 200-250 | Annealing | |||
| Rod, high quality, GOST 26492-85 | 930-1230 | 7-9 | 16-30 | 300 | Annealing | |||
| Stamping | 1100-1300 | 8-14 | 25-45 | 200-500 | Annealing |
Physical properties of the material BT9.
| 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 | 1.18 | 4510 |
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]
BT9 - Titanium deformable alloy
- BT9 - chemical composition, mechanical, physical and technological properties, density, hardness, application
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