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Alloy 40

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 40
Designation GOST Latin 40
Transliteration 40
The chemical elements 40

Description

Alloy 40 is applied: for rolled metal production, manufacturing of ingots and semifinished products and the manufacture of parts of special equipment, parts of aircraft and instrumentation.

Standards

Name Code Standards
Sheets and stripes В53 GOST 23755-79, TU 1-5-357-75
Non-ferrous metals, including rare metals, and their alloys В51 OST 1 92077-91, TU 1-5-453-78

Chemical composition

Standard C Si Fe N Al V Ti O Zr
OST 1 92077-91 ≤0.07 ≤0.12 ≤0.25 ≤0.04 1.5-3.5 0.5-2.5 The rest ≤0.14 0.3
Ti is the basis.
According to OST 1 92077-91 the total allowable content of Cu + Ni ≤ 0.10%, including Ni ≤ 0.08%. The amount of other impurities (not listed in the table, including copper and nickel) ≤ 0.30%. The content of hydrogen in ingots should be ≤ 0.006%. Addition of modifying additives in an amount of ≤ 0.003% is allowed. The alloy modified with boron has an additional index "B".

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d y, % kJ/m2, кДж/м2
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°
0.3-0.7 - ≥451 ≥40 - -
0.7-1.8 ≥392 ≤638 ≥30 ≥50 -
1.8-6.5 ≥392 ≤638 ≥23 ≥50 -
12-20 ≥392 ≤638 ≥16 ≥40 ≥981
20-30 ≥392 ≤638 ≥14 ≥25 ≥981
30-50 ≥392 ≤638 ≥12 ≥25 ≥784
50-100 ≥392 ≤638 ≥10 ≥20 ≥687
6.5-10 ≥392 ≤638 ≥20 ≥40 -
Plate in the delivery condition according to GOST 23755-79. Annealing (samples transverse)
11-20 - ≤635 ≥16 ≥30 ≥784

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
d Elongation after rupture
y The relative narrowing
kJ/m2 Toughness

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