Alloy SPT-2

Designation

Name The value
Designation GOST Cyrillic СПТ-2
Designation GOST Latin CPT-2
Transliteration SPT-2
By chemical elements PbПTe-2

Description

Alloy SPT-2 is used: for the manufacture of welding wire with a diameter of 1.6−7.0 mm.

Standards

Name Code Standards
Welding and cutting metals. Soldering, riveting В05 OST 1 90015-77, TU 1-809-232-88

Chemical composition

Standard C Si Fe N Al V Ti O Zr H
OST 1 90015-77 ≤0.05 ≤0.1 ≤0.15 ≤0.04 3.5-4.5 2.5-3.5 Rest ≤0.12 1-2 ≤0.003
Ti is the basis.
According to OST 1 90015-77 the chemical composition is given for the alloy of the 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
1.6-7 ≥667 ≥13

Description mechanical marks

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