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Russian Metals
BT6
Characteristics of the material BT6
| Grade : | BT6 |
| Classification : | Titanium wrought alloy |
| Application: | for the manufacture of large-sized welded and prefabricated structures of aircraft, for the manufacture of cylinders operating under internal pressure in a wide temperature range from 196 to 450 °C, and a number of other structural elements; structural class α+β |
| Foreign analogues: | Known |
Chemical composition in % of BT6 material
GOST -19807 - 91
| Fe | C | Si | V | N | You | Al | Zr | O | H | Impurities |
|---|---|---|---|---|---|---|---|---|---|---|
| up to 0.6 | up to 0.1 | up to 0.1 | 3.5 - 5.3 | up to 0.05 | 86.45 - 90.9 | 5.3 - 6.8 | up to 0.3 | up to 0.2 | up to 0.015 | other 0.3 |
Note: Ti is the basis; Ti percentage is approximate.
Technological properties of the BT6 material.
| Weldability: | without restrictions. |
Mechanical properties at T=20 o C of BT6 material.
| Assortment | Size | For example. | σin | σT | δ5 | ψ | KCU | Thermal processing |
|---|---|---|---|---|---|---|---|---|
| - | mm | - | MPa | MPa | % | % | kJ/m² | - |
| Annealed sheet, GOST 22178-76 | 885 | 8 | ||||||
| Rod, high quality, GOST 26492-85 | 835-1050 | 6-10 | 20-30 | 300-400 | Annealing | |||
| Rod, GOST 26492-85 | 1080 | 4 | 12 | 200 | Hardening and aging | |||
| Rod, GOST 26492-85 | 835-885 | 6-8 | 15-20 | 250 | Annealing | |||
| Rod, high quality, GOST 26492-85 | 1080 | 6 | 20 | 250-300 | Hardening and aging | |||
| Stamping | 950-1100 | 10-13 | 35-60 | 400-800 | Annealing | |||
| Annealed plate, GOST 23755-79 | 11 - 100 | 835-1080 | 6 | 12-16 | 300 |
| Hardness BT6 after quenching and aging, Rod | HB 10-1 = 293 - 361 MPa |
| Hardness BT6 after annealing, Stamping | HB 10-1 = 255 - 341 MPa |
Physical properties of the material BT6.
| 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 | 8.37 | 4450 | 1600 | |||
| 100 | 8.4 | 9.21 | 1820 | |||
| 200 | 8.7 | 10.88 | 0.586 | 2020 | ||
| 300 | 9 | 11.7 | 0.67 | 2120 | ||
| 400 | 10 | 12.56 | 0.712 | 2140 | ||
| 500 | 13.82 | 0.795 | ||||
| 600 | 15.49 | 0.879 |
Foreign analogues of the material BT6
Attention! Both exact and closest analogues are indicated.
| USA | Germany | Japan | France | England |
|---|---|---|---|---|
| - | DIN, WNr | JIS | AFNOR | B.S. |
| 5Al-2.5Sn Grade6 | 3.7114 3.7115 | KS-5-2.5 SAT-525 | Ti-P.65 | IMI317 |
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]
BT6 - Titanium deformable alloy
- BT6 - chemical composition, mechanical, physical and technological properties, density, hardness, application
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