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Alloy AK4-1 (1141)

Alloy 01311C Alloy 1105 Alloy 1151 Alloy 1161 Alloy 1163 Alloy 1201 Alloy 1205 Alloy 1213 Alloy 1215 Alloy 1320 Alloy 1370 Alloy 1420 (01420) Alloy 1424 Alloy 1430 Alloy 1440 Alloy 1441 Alloy 1450 Alloy 1531 Alloy 1541 Alloy 1541pc Alloy 1543 Alloy 1577 Alloy 1905 Alloy 1911 Alloy 1915 Alloy 1925 Alloy 1931 Alloy 1933 Alloy 1935 Alloy 1953 Alloy 1955 Alloy 1973 Alloy 1980 (B48-4) Alloy 1985h Alloy 8011 Alloy 8011A Alloy 8111 Alloy A1Mg1M1 Alloy ABT101 (1901) Alloy ABT102 (1903) Alloy AB (1340) Alloy AVD1 Alloy AVD1-1 ABE Alloy Alloy AD1pl Alloy AD31 (1310) Alloy AD31E (1310E) Alloy AD33 (1330) Alloy AD35 (1350) Alloy AW Alloy AZh0.6 Alloy AZh0.8 Alloy AZh1 Alloy AK10 (SvAK10) AK12D alloy Alloy AK4 (1140) Alloy AK4-1 (1141) Alloy AK4-2 (1143) Alloy AK5 Alloy AK6 (1360) Alloy AK6-1 Alloy AK8 (1380) AKM Alloy Alloy AKCM Alloy AM4 Alloy AMg0.5 (1505) Alloy AMg0,5pc Alloy AMg0.7 Alloy AMG1 (1510) Alloy AMg1.5 Alloy AMg2 (1520) Alloy AMg2.5 Alloy AMg3 (1530) Alloy AMg3.5 Alloy AMg3S Alloy AMg4 (1540) Alloy AMg4.5 Alloy AMg5 (1550) Alloy AMg5P (1557) Alloy AMg6 (1560) Alloy AMg61 (1561) Alloy AMg61H (1561H) Alloy AMg63 (СвАМг63) Alloy AMg65 Alloy AMSH1 Alloy AMSH2 Alloy AMZ (1400) Alloy AMTS (1401) Alloy AMSh1 (AMSh-1) Alloy APBA-1 (1551) Alloy ACpl Alloy B-1341 Alloy B-1461 Alloy B-1469 Alloy B-1963 Alloy B48P Alloy B65 (1165) Alloy B91 (1913) Alloy B92 (1920) Alloy B93 (B93pch; 1930) Alloy B94 (1940) Alloy B95 (1950) Alloy B95-1 Alloy B95-2 Alloy B95och Alloy B95P (1957) Alloy B95pch Alloy B96C (1960) Alloy B96C1 Alloy B96C3 (1965-1) Alloy VD1 Alloy VD17 (1170) Alloy D1 (1110) Alloy D12 (1521) Alloy D16 (1160) Alloy D16P (1167) Alloy D18 (1180) Alloy D19 (1190) Alloy D19P (1197) Alloy D19h Alloy D1P (1117) Alloy D20 (1200) Alloy D21 (1210) Alloy D23 (WAD23; 1230) Alloy D24 (VAD1; 1191) Alloy K48-1 Alloy K48-2 (1941) Alloy K48-2pch (1943) Alloy K48P Alloy M40 Alloy MM (1403) Alloy SAB1 Alloy SAW2 Alloy SAB6 Alloy SAB9 Alloy SIL 1C Alloy SIL 2S

Designation

Name The value
Designation GOST Cyrillic АК4-1
Designation GOST Latin AK4-1
Transliteration AK4-1
The chemical elements -
Name The value
Designation GOST Cyrillic 1141
Designation GOST Latin 1141
Transliteration 1141
The chemical elements 1141

Description

Alloy AK4−1 is used: for the manufacture of plates, sheets, forged blanks; parts for heating aircraft structures, including parts of engines, parts, jet engines; profiles with cross-sectional area of 200 cm2 and a diameter of circumcircle up to 350mm suitable for use in the aviation industry and special machine building industries; moulded panels of constant cross section with longitudinal fins in the aircraft industry, is made by a sweep of extruded finned tubes in the plane of the width of the fabric up to 2100 mm; large extruded pipes.

Note

Basic heat-resistant alloy medium strength (σin=420 MPa, σ1000150°= 270 MPa).
ISO 209−1 brand of alloy AK4−1ch is designated 2618.

Standards

Name Code Standards
Sectional and shaped rolling В52 GOST 13616-97, GOST 13617-97, GOST 13618-97, GOST 13619-97, GOST 13620-90, GOST 13621-90, GOST 13622-91, GOST 13623-90, GOST 13624-90, GOST 13737-90, GOST 13738-91, GOST 17575-90, GOST 17576-97, GOST 29296-92, GOST 29303-92, GOST Р 50066-92, GOST Р 50067-92, GOST Р 50077-92, OST 1 92093-83, OST 1 92041-90, OST 1 92066-91, OST 1 92067-92, OST 1 90113-86, OST 1 90177-75, OST 1 92007-87, TU 1-2-424-82
Sheets and stripes В53 GOST 17232-99, OST 1 90117-83, TU 1-2-212-79, TU 1-2-464-84, TU 1-2-9-77, TU 1-92-47-77, TU 1-92-48-77, TU 1-804-473-2009
Bars В55 GOST 21488-97, GOST Р 51834-2001, OST 1 90395-91, TU 1-2-135-75, TU 1-2-315-78
Non-ferrous metals, including rare metals, and their alloys В51 GOST 4784-97, OST 1 92014-90, OST 1 90048-90
Metal forming. Forgings В03 OST 1 90073-85
Pipes from non-ferrous metals and alloys В64 OST 1 92048-90, OST 1 92048-76, TU 1-2-361-79, TU 1-2-365-81, TU 1-2-451-83, TU 1-9-148-76, TU 1-9-507-73

Chemical composition

Standard Mn Cr Si Ni Fe Cu Al Ti Zn Mg
OST 1 92014-90 ≤0.2 - ≤0.35 0.8-1.4 0.8-1.4 1.9-2.7 The rest ≤0.1 ≤0.3 1.2-1.8
GOST 4784-97 ≤0.2 ≤0.1 ≤0.35 0.8-1.4 0.8-1.4 1.9-2.7 The rest 0.02-0.1 ≤0.3 1.2-1.8
OST 1 90048-90 ≤0.1 ≤0.1 0.1-0.25 0.9-1.4 0.9-1.4 2-2.6 The rest 0.05-0.1 ≤0.1 1.2-1.8
Al is the base.
According to GOST 4784-97 the chemical composition is given for the alloy AK4-1. Mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%. The chemical composition of the alloy AK4-1h differs by the admittance of the mass fractions of the elements: silicon = 0.10-0.25%, iron = 0.90-1.30%, magnesium = 1.30-1.80%, zinc ≤ 0.10 %, titanium = 0.04-0.10%, nickel = 0.90-1.20%.
According to OST 1 90048-90 the chemical composition is given for the alloy AK4-1h. Mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%.
According to OST 1 92014-90 the chemical composition is given for the alloy AK4-1. Mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % d kJ/m2, кДж/м2 Brinell hardness number, MPa
Sheet metal in delivery condition
≥310 ≥380 ≥6 - ≥200 109-117
Panel OST 1 90177-75. In the column of the delivery condition includes a direction of cutting out of samples
- ≥323 ≥392 ≥6 - - -
- ≥313 ≥372 ≥4 - - -
Panels are extruded with fins on OST 1 92041-90 in the delivery condition of alloy AK4-1 and AK4-1ch. T1 (quenching + artificial aging)
≥325 ≥380 ≥6 - - -
Plate in the delivery condition on the other 1-804-473-2009
11-25 ≥325 ≥390 - ≥6 - -
25-80 ≥295 ≥385 - ≥6 - -
Rolled plates of grade alloy AK4-1ch on the other 1-2-9-77 in the delivery condition. T (quenching + natural ageing)
12-40 ≥324 ≥392 - ≥6 - -
Plates according to GOST 17232-99 in the delivery condition. T1: Quenching + artificial aging (samples perpendicular to the plane of the plate)
40-80 - ≥370 - ≥4 - -
Plates according to GOST 17232-99 in the delivery condition. T1: Quenching + artificial aging (samples transverse)
11-25 ≥325 ≥390 - ≥6 - -
25-80 ≥295 ≥385 - ≥6 - -
Forgings section up to 350 mm according to OST 1 90073-85. Mode T1: Quenching + artificial aging (in the cross section indicates the direction of the samples)
≥255 ≥375 ≥4 - - ≥109
≥265 ≥375 ≥5 - - ≥109
≥265 ≥375 ≥5 - - ≥109
≥275 ≥390 ≥6 - - ≥109
≥265 ≥375 ≥4 - - ≥109
Extruded normal strength with the cross-sectional area 200 cm2 and a diameter of the circumscribed circle of up to 350 mm. (sample transverse cross-sections show the direction of the sample). Quenching + artificial aging
- ≥375 ≥4 - - -
≥315 ≥380 ≥5 - - -
Extruded normal strength with the cross-sectional area 200 cm2 and a diameter of the circumscribed circle of up to 350 mm. (sample longitudinal cross-section shows the thickness of the shelf). Quenching + artificial aging
≤10 ≥305 ≥390 ≥6 - - -
10-150 ≥325 ≥390 ≥8 - - -
The pressed bars normal strength in the delivery condition according to GOST 21488-97 (longitudinal samples). T1 (quenching + artificial aging)
100-300 ≥275 ≥365 ≥6 - - -
8-100 ≥315 ≥390 ≥6 - - -
Large-size extruded tubes according to OST 1 92048-76 in the delivery condition. T1 (quenching + artificial aging)
≥255 ≥373 ≥5 - - -

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
kJ/m2 Toughness

Physical characteristics

Temperature Е, ГПа r, кг/м3 R, НОм · м
20 72 2800 55

A description of the physical symbols

Name Description
Е The normal elasticity modulus
r Density
l Coefficient of thermal conductivity
R UD. the resistivity
С Specific heat

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