Alloy 2B

Designation

Name	The value
Designation GOST Cyrillic	2В
Designation GOST Latin	2B
Transliteration	2V
By 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, 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	σ_U, 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
σ_U	Limit short-term strength
d₅	Elongation after rupture