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Alloy AT3

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 To access the entire list

Designation

Name The value
Designation GOST Cyrillic АТ3
Designation GOST Latin AT3
Transliteration AT3
The chemical elements -

Description

Alloy AT3 is used: for the manufacture of semi-finished products (sheets, strips, foils, strips, plates, bars, rods, profiles, tubes, forgings and forged blanks) by the method of deformation, and also ingots; vessels and equipment chemical industry, working under cyclic loads and temperatures up to +350 °C; pins and tool in medicine.

Note

The alloy possesses in comparison with other commercial alloys (including VT1−0) higher corrosion resistance (environment-pharmaceutical, food industry, sea water). The advantages of the alloy should be attributed to its higher (compared to VT1−0) antifriction properties.

Standards

Name Code Standards
Non-ferrous metals, including rare metals, and their alloys В51 GOST 19807-91
Pipes steel and connecting parts to them В62 GOST 21945-76
Sheets and stripes В53 GOST 23755-79
Bars В55 GOST 26492-85, TU 1-1-38-72, TU 1-5-055-77
Metal forming. Forgings В03 TU 1-5-058-77

Chemical composition

Standard C Cr Si Fe N Al Ti O H
GOST 19807-91 ≤0.1 0.2-0.5 0.2-0.4 0.2-0.5 ≤0.05 2-3.5 The rest ≤0.15 ≤0.008
TU 1-5-058-77 ≤0.1 0.2-0.5 0.2-0.35 0.2-0.5 ≤0.05 2-3.5 The rest ≤0.15 ≤0.015
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. 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, % y, % kJ/m2, кДж/м2
Plate in the delivery condition according to GOST 23755-79. Without heat treatment (samples transverse)
11-60 ≥590 ≥8 ≥12 ≥440
Forging as supplied on the other 1-5-058-77 annealed (process sample is 15x15 mm)
≥589 ≥15 ≥35 ≥392
Bars hot rolled autogenie ordinary quality GOST 26492-85 (longitudinal samples)
25-60 ≥590 ≥15 ≥35 ≥392

Description mechanical marks

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

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