Alloy VT20-2 (VT20-2sv.)

Designation

Name The value
Designation GOST Cyrillic ВТ20-2
Designation GOST Latin BT20-2
Transliteration VT20-2
By chemical elements ВTe20-2
Name The value
Designation GOST Cyrillic ВТ20-2св.
Designation GOST Latin BT20-2cb.
Transliteration VT20-2sv
By chemical elements ВTe20-2св.

Description

Alloy VT20−2 is used: for the manufacture of welding wire diameter 2.0−7.0 mm.

Standards

Name Code Standards
Welding and cutting metals. Soldering, riveting В05 OST 1 90015-77

Chemical composition

Standard C Si Fe N Al V Ti Mo O Zr H
OST 1 90015-77 ≤0.05 ≤0.1 ≤0.15 ≤0.04 3.5-4.5 0.5-1.5 Rest 0.5-1.5 ≤0.12 1-2 ≤0.003
Ti is the basis.
According to OST 1 90015-77 the chemical composition is given for the alloy VT20-2sv. material of the welding wire. The amount of other impurities is ≤ 0.30%.

Mechanical properties

Section, mm σU, MPa d
The welding wire in degassed and etched condition delivery
2-7 ≤834 ≥10

Description mechanical marks

Name Description
σU Limit short-term strength
d Elongation after rupture