Alloy SPT-2
Designation
| Name |
The value |
| Designation GOST Cyrillic |
СПТ-2 |
| Designation GOST Latin |
CPT-2 |
| Transliteration |
SPT-2 |
| The 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 of 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 |
The 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 characteristics
| Section, mm |
σB, MPa |
d |
| The welding wire in degassed and etched condition delivery |
| 1.6-7 |
≥667 |
≥13 |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| σB |
Limit short-term strength |
| d |
Elongation after rupture |
