Alloy PT-3V
Alloy VT8M-1
Alloy VT32
Alloy VT35
Alloy VT4
Alloy VT41
Alloy VT5
Alloy VT5-1
Alloy VT6 (VT6sv.)
Alloy VT6C
Alloy VT6h
Alloy VT8
Alloy VT8-1
Alloy VT3-1
Alloy VT9
OT4 alloy
Alloy OT4-0
Alloy OT4-1
Alloy OT4-2
Alloy PT-1M
Alloy PT-3B
Alloy PT-7M
Alloy SPT-2
Alloy TC5
Alloy TC6
Alloy VT15
Alloy 14
Alloy 19
Alloy 27
Alloy 2B
Alloy 37
Alloy 3M
Alloy 40
Alloy 5B
Alloy AT3
Alloy AT6
Alloy VT14
Alloy VT25U
Alloy VT16
Alloy VT18
Alloy VT18U
Alloy VT2 (VT2sv.)
Alloy VT20
Alloy VT20-1 (VT20-1sv.)
Alloy VT20-2 (VT20-2sv.)
Alloy VT22
Alloy VT22I
Alloy VT23
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ПТ-3В |
| Designation GOST Latin | PT-3B |
| Transliteration | PT-3V |
| The 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 metals, and their alloys | В51 | GOST 19807-91, TU 1-5-132-78, TU 1-5-453-78 |
| Pipes steel and connecting parts to them | В62 | GOST 21945-76 |
| Sheets and stripes | 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 |
| Sectional and shaped rolling | В52 | OST 1 92064-77 |
| Metal forming. 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 | The 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%.
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 characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | d | y, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|---|---|
| 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 |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| d | Elongation after rupture |
| y | The relative narrowing |
| kJ/m2 | Toughness |
