Alloy 2B

Designation

Name The value
Designation GOST Cyrillic
Designation GOST Latin 2B
Transliteration 2V
By chemical elements

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, and their alloys В51 OST 1 92077-91, TU 1-5-453-78
Welding and cutting 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 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 properties

Section, mm σU, 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
σU Limit short-term strength
d5 Elongation after rupture