Alloy 2B
Designation
| Name |
The value |
| Designation GOST Cyrillic |
2В |
| Designation GOST Latin |
2B |
| Transliteration |
2V |
| The chemical elements |
2В |
Description
Alloy 2B used: 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, degassed titanium welding wire diameter 1,0−7,0 mm.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
OST 1 92077-91, TU 1-5-453-78 |
| Welding and cutting of metals. Soldering, riveting |
В05 |
TU 1-9-922-82 |
Chemical composition
| Standard |
C |
Si |
Fe |
N |
Al |
V |
Ti |
O |
| OST 1 92077-91 |
≤0.07 |
≤0.1 |
≤0.2 |
≤0.04 |
1.5-2.5 |
1-2 |
The rest |
≤0.12 |
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 |
σB, MPa |
d5, % |
| Wire welding degassed on the other 1-9-922-82 |
| 1.0; 1.2 |
490-637 |
≥16 |
| 1.4-7 |
490-637 |
≥20 |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
