GOST AK7ch Aluminium Alloys

Material group: Nonferrous Alloys / Aluminium Alloys
Country / Standard: Russia / GOST

Data updates

Latest Update: 2020-03
Total number of updates: 4
Update History
2016-08 2016-06 2015-11

This material has 114 properties — only a subset is shown here.

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GOST AK7ch Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
Base
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Be
VALUE
≤ 0.1
UNIT
%
CAS NUMBER
7440-41-7
CRITERIA
Cu
VALUE
≤ 0.2
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mg
VALUE
val1
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UNIT
%
CAS NUMBER
7439-95-4
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Sn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-31-5
CRITERIA
Sr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-24-6
CRITERIA
Ti+Zr
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Zn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-66-6

GOST R 55375: 2012 / Primary aluminum and alloys based on it. Grades

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GOST AK7ch Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
69 — 79 GPa
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Density
2.6 — 2.9 kg/dm³
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Poisson Coefficient
0.33
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This material has 114 properties — only a subset is shown here.

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GOST AK7ch Heat Treatments


  • T5 - Hardening and short (incomplete) artificial aging, heating temperature at 535 +/-5°C, 2 - 7h, and cooling in water at 20-100°C, aging 150 +/- 5°C, 1 - 3h;
    T2 - Aging 300 +/- 10°C, 2 - 4h;
    T4 - Solution heat treated and naturally aged (T4), heating temperature at 535 +/-5°C, 2 - 6h, and cooling in water at 20-100°C;
    T5 - Hardening and short (incomplete) artificial aging, heating temperature at 535 +/-5°C, 2 - 6h, and cooling in water at 20-100°C, aging 150 +/- 5°C, 1 - 3h;
    T5 - Hardening and short (incomplete) artificial aging, heating temperature at 535 +/-5°C, 2 - 6h, and cooling in water at 20-100°C, Two-stage heating: at 190+/-10, 0.5h and 150+/-5°C, 2h.
    T6 - Solution heat treated and artificially aged, heating temperature at 535 +/-5°C, 2 - 6h, and cooling in water at 20-100°C, aging 200 +/- 5°C, 2 - 5h;
    T7 - Solution heat treated and overaged/stabilized (T7), heating temperature at 535 +/-5°C, 2 - 6h, and cooling in water at 80-100°C, aging 225 +/- 10°C, 3-5h;
    T8 - Solution heat treated and softened (T8), heating temperature at 535 +/-5°C, 2 - 6h, and cooling in water at 80-100°C, aging 250 +/- 10°C, 3-5h

GOST AK7ch Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 137 MPa
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Brinell Hardness (HB)
≥ 45
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Elongation, A
≥ 1 %
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GOST AK7ch International Equivalent Materials


Showing 4 of 4 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
GOST
COUNTRY / PRODUCER
Russia
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit

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  • 4Cross References

  • 25Composition
  • 78Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • -Stress-Strain
  • -Formability
  • 1Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • 2Total Suppliers