Alloy ВТ14Л

Designation

Name The value
Designation GOST Cyrillic ВТ14Л
Designation GOST Latin BT14L
Transliteration VT14L
By 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, 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 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 properties

σU, MPa d5, % KCU, kJ/m2
Casting autogenie on delivery
≥950 ≥7 ≥350

Description mechanical marks

Name Description
σU Limit short-term strength
d5 Elongation after rupture
KCU 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.