Alloy ВТ14Л
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ВТ14Л |
| Designation GOST Latin |
BT14L |
| Transliteration |
VT14L |
| The chemical elements |
ВTe14 |
Description
Alloy ВТ14Л used: for the manufacture of castings operating at temperatures to +400 °C.
Note
High-strength heat-treatable titanium (a + b)-alloy martensitic type of system Ti-A1-Mo-V.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
OST 1 90030-77 |
Chemical composition
| Standard |
C |
Si |
Fe |
N |
Al |
V |
Ti |
Mo |
W |
O |
Zr |
H |
| OST 1 90030-77 |
≤0.12 |
≤0.15 |
≤0.6 |
≤0.05 |
4.3-6.3 |
0.9-1.9 |
The rest |
2.5-3.8 |
≤0.2 |
≤0.16 |
≤0.3 |
≤0.01 |
Ti is the basis.
According to OST 1 90030-77 the amount of other (not indicated) impurities should be no more than 0.30%. In the alloy, the chromium content is allowed up to 0.60%. The total content in the alloy of chromium and manganese is allowed not more than 0.15%. The total content of copper and nickel in the alloy is allowed in an amount not exceeding 0.10%, including nickel not more than 0.080%.
Mechanical characteristics
| σB, MPa |
d5, % |
kJ/m2, кДж/м2 |
| Casting autogenie on delivery |
| ≥950 |
≥7 |
≥350 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| kJ/m2 |
Toughness |
Technological properties
| Name |
The value |
| Features of heat treatment |
The annealing is carried out at temperatures 740-810 °C. thermal hardening consists of quenching from a temperature of 870-910 °C and aging at 480— 560 °C for 8 - 16 hours. |
