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Alloy OT4-0

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 ОТ4-0
Designation GOST Latin OT4-0
Transliteration OT4-0
The chemical elements SnTe4-0

Description

Alloy OT4−0 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; parts of complex configuration, continuously operating at temperatures of +300 to 350 °C and intermittent temperatures of +500−600 °C. the Alloy is used in parts which require high workability in cold forging.

Note

Titanium alloy with good corrosion resistance. Alloy OT4−0 low strength and high processability. Manganese improves the workability during hot working by pressure. Alloy is a pseudo — a class with a small number of b-phase. Which cannot be thermally hardened. Alloy well deformed in the hot and cold States, permits forging at room temperature; good weld all types of welding.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 19807-91, OST 1 90000-70, OST 1 90013-81, OST 4.021.009-92
Sheets and stripes В53 GOST 22178-76, GOST 23755-79, OST 1 90218-76, OST 1 90024-94, TU 1-5-244-76
Pipes from non-ferrous metals and alloys В64 GOST 24890-81, OST 1 90050-72, OST 1 90051-79, OST 1 90065-72, OST 1 90050-92
Bars В55 GOST 26492-85, OST 1 92020-82, OST 1 90266-86, OST 1 90173-75, OST 1 90107-73, OST 1 90006-86, OST 4.021.025-92, OST 4.021.026-92
Tapes В54 OST 1 90027-71
Sectional and shaped rolling В52 OST 1 92051-76

Chemical composition

Standard C Mn Si Fe N Al Ti O Zr H
OST 1 90013-81 ≤0.1 0.5-1.3 ≤0.12 ≤0.3 ≤0.05 0.4-1.4 The rest ≤0.15 ≤0.3 ≤0.012
Ti is the basis.
According to GOST 19807-91 and OST 1 90013-81 the total content of other impurities is ≤0.30%. The mass fraction of hydrogen is indicated for ingots. The mass fraction of copper and nickel should not be more than 0.10% (in total), including nickel not more than 0.08%.

Mechanical characteristics

Section, mm σB, MPa d5, % d y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Sheet metal in delivery condition after annealing (samples across the direction of rolling)
0.3-0.4 490-638 ≥25 - - - -
0.4-1.8 490-638 ≥30 - - - -
1.8-6 490-638 ≥25 - - - -
6-10.5 490-638 ≥20 - - - -
Plate in the delivery condition according to GOST 23755-79. Without heat treatment (samples transverse)
11-20 490-635 - ≥12 ≥18 - -
20-60 490-635 - ≥11 ≥18 - -
60-150 490-635 - ≥10 ≥18 - -
Plate on OST 1 90024-94 in the delivery condition. Samples heat-treated (transverse)
11-20 490-635 - ≥12 ≥18 ≥490 -
20-60 490-635 - ≥11 ≥18 ≥490 -
60-150 490-635 - ≥10 ≥18 ≥490 -
Forgings weighing up to 200 kg after annealing (indicated by the direction of fillet samples)
101-250 441-638 ≥17 - ≥30 ≥490 156-207
100 490-638 ≥20 - ≥45 ≥686 156-207
Bars hot rolled autogenie ordinary quality GOST 26492-85 (longitudinal samples)
10-12 ≥440 ≥15 - ≥35 - -
100-150 ≥440 ≥13 - ≥30 ≥392 -
12-100 ≥440 ≥15 - ≥35 ≥490 -
Bars hot rolled autogenie high-quality according to GOST 26492-85 (longitudinal samples)
10-12 490-635 ≥20 - ≥40 - -
100-150 440-635 ≥20 - ≥32 ≥490 -
12-100 490-635 ≥20 - ≥40 ≥686 -
Forged square bars and round after annealing (indicated by the direction of fillet samples)
140-250 441-638 ≥17 - ≥30 ≥490 156-207
461-638 ≥17 - ≥35 ≥588 156-207
Round bars hot rolled autogenie as supplied by OST 4.021.025-92, OST 4.021.026-92
≥110 460-635 ≥17 - ≥35 ≥588 156-207
65-100 490-635 ≥20 - ≥40 ≥686 156-207
10-60 ≥440 ≥15 - ≥35 ≥490 156-207
The pressed bars for OST 1 92020-82. Annealing. The longitudinal samples
100 490-673 - ≥20 ≥45 ≥686 -
Tubes rolled and drawn, otoczenie etched surface with an outer diameter of 6.0-62,0 mm; welded without heat treatment the outer diameter of 25.0-102,0 mm; cold drawn autogenie an outer diameter of 8,0-30,0 mm
500-650 ≥15 - - - -
Welded pipe groups A (annealed) and B (without t/o) in the delivery state according to GOST 24890-81 (samples, in cross-section is specified outside diameter)
25-102 490-637 ≥15 - - - -

Description mechanical marks

Name Description
Section Section
σB Limit short-term strength
d5 Elongation after rupture
d Elongation after rupture
y The relative narrowing
kJ/m2 Toughness

Technological properties

Name The value
Weldability Without restrictions.

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