Alloy PT-3V

Designation

Name The value
Designation GOST Cyrillic ПТ-3В
Designation GOST Latin PT-3B
Transliteration PT-3V
By chemical elements ПTe-3В

Description

Alloy PT-3V is used: for the manufacture of semi-finished products (sheets, strips, foils, strips, plates, bars, rods, profiles, tubes, forgings and forged blanks) by the strain, and bars; products with high strength with sufficient ductility and viscosity, high resistance to small plastic deformation, brittle and fatigue failure, used in mechanical engineering, instrument making and tool industry; rods for use in the shipbuilding industry.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 GOST 19807-91, TU 1-5-132-78, TU 1-5-453-78
Steel pipes and fittings to them В62 GOST 21945-76
Sheets and strips В53 GOST 23755-79, TU 1-5-110-81, TU 1-5-357-75
Bars В55 OST 1 92062-90, OST В 5.9325-79, TU 1-5-045-82
Bars and shapes В52 OST 1 92064-77
Processing of metals by pressure. Forgings В03 ST ЦКБА 010-2004

Chemical composition

Standard C Si Fe N Al V Ti O Zr H
GOST 19807-91 ≤0.1 ≤0.12 ≤0.25 ≤0.04 3.5-5 1.2-2.5 Rest ≤0.15 ≤0.3 ≤0.006
Ti is the basis.
According to GOST 19807-91, the total content of other impurities is ≤ 0.30%. The mass fraction of hydrogen is indicated for ingots. In the alloy of PT-3B grade, the mass fraction of zirconium in total with other impurities should not exceed 0.30%. The mass fraction of chromium and manganese should not exceed 0.15% (in total). The mass fraction of copper and nickel should not be more than 0.10% (in total), including nickel not more than 0.08%.
For pipes of group A in accordance with GOST 21945-76, the maximum mass fraction of hydrogen in the alloy is set to 0.005%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % d y, % KCU, kJ/m2
The billet according to TU 1-5-132-78. Annealing
Образец 15х15 ≥618 686-862 ≥12 - ≥34 ≥810
Bars hot rolled for OST 1 92062-9. In the column ssotoyanii delivery is specified as the material of bars in the manufacture of - state material of bars when testing
10-22 ≥590 635-885 - ≥11 ≥26 ≥700
Pipe the seamless hot-rolled, heat-treated in the delivery condition according to GOST 21945-76 (samples, in cross-section shows the thickness of the wall)
20 ≥294 ≥343 ≥18 - - -
The billet according to TU 1-5-132-78. Annealing
Образец 15х15 ≥294 ≥343 - - - -
Bars hot rolled for OST 1 92062-9. In the column ssotoyanii delivery is specified as the material of bars in the manufacture of - state material of bars when testing
10-22 ≥295 ≥345 - - - -
Sheet and plate annealed in delivery condition on the other 1-5-357-75. The bending angle a technology preview for sheets up to 30 mm is 120°
1.2 ≥589 ≤883 - ≥18 - -
Bars hot rolled for OST 1 92062-9. In the column ssotoyanii delivery is specified as the material of bars in the manufacture of - state material of bars when testing
25-150 ≥590 635-855 - ≥11 ≥26 ≥700
Sheet and plate annealed in delivery condition on the other 1-5-357-75. The bending angle a technology preview for sheets up to 30 mm is 120°
12-14 ≥589 ≤883 - ≥10 ≥25 ≥687
Bars hot rolled for OST 1 92062-9. In the column ssotoyanii delivery is specified as the material of bars in the manufacture of - state material of bars when testing
25-150 ≥295 ≥345 - - - -
Sheet and plate annealed in delivery condition on the other 1-5-357-75. The bending angle a technology preview for sheets up to 30 mm is 120°
14-18 ≥589 ≤834 - ≥10 ≥25 ≥687
18-26 ≥589 ≤834 - ≥10 ≥22 ≥687
2-8 ≥589 ≤883 - ≥12 - -
26-60 ≥589 ≤834 - ≥10 ≥20 ≥687
8-10 ≥589 ≤883 - ≥10 ≥25 -
Plate in the delivery condition according to GOST 23755-79. Annealing (samples transverse)
11-14 - ≤880 - ≥10 ≥25 ≥588
14-26 - ≤835 - ≥10 ≥22 ≥588
Rolled steel without heat treatment
≥600 700-900 ≥11 - - ≥650
Pipe the seamless hot-rolled, heat-treated in the delivery condition according to GOST 21945-76 (samples, in cross-section shows the thickness of the wall)
≤20 ≥519 559-862 ≥10 - ≥30 ≥640
20 ≥568 617-862 ≥10 - ≥30 ≥640

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
d Elongation after rupture
y The relative narrowing
KCU Toughness