Alloy 14
Designation
| Name |
The value |
| Designation GOST Cyrillic |
14 |
| Designation GOST Latin |
14 |
| Transliteration |
14 |
| The chemical elements |
14 |
Description
Alloy 14 applies: for the production of long products, the manufacture of ingots and semifinished products and the manufacture of parts of special equipment, parts of aircraft and instrumentation.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
OST 1 92077-91, TU 1-5-132-78, TU 1-5-453-78 |
Chemical composition
| Standard |
C |
Si |
Fe |
N |
Al |
V |
Ti |
Mo |
O |
Zr |
| OST 1 92077-91 |
≤0.1 |
≤0.12 |
≤0.25 |
≤0.04 |
3.5-5.6 |
0.5-2.5 |
The rest |
1.8-3.5 |
≤0.15 |
≤0.3 |
Ti is the basis.
According to OST 1 92077-91 the total allowable content of Cu + Ni ≤ 0.10%, including Ni ≤ 0.08%. The amount of other impurities (not listed in the table, including copper and nickel) ≤ 0.30%. The content of hydrogen in ingots should be ≤ 0.006%. Addition of modifying additives in an amount of ≤ 0.003% is allowed. The alloy modified with boron has an additional index "B".
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
kJ/m2, кДж/м2 |
| The billet according to TU 1-5-132-78. Annealing |
| Образец 15х15 |
≥647 |
≥706 |
≥10 |
≥450 |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| kJ/m2 |
Toughness |
