GOST Class 6 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: Russia / GOST

Data updates

Latest Update: 2025-09
Total number of updates: 1
Update History

This material has 31 properties — only a subset is shown here.

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GOST Class 6 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.40
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

GOST R 71992: 2025 / Seamless and welded steel pipe for low - temperature service. Technical specification

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GOST Class 6 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 31 properties — only a subset is shown here.

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GOST Class 6 Heat Treatments


  • Normalization at a temperature not less than 815°C, can be followed by tempering; Normalization with deformation heating at a temperature of 845°C to 945°C, can be followed by tempering; Quenching at a temperature not less than 815°C followed by tempering. Tempering temperature at the discretion of the manufacturer; Only seamless pipes are subjected to quenching.

GOST Class 6 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 415 MPa
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Elongation, A
≥ 15 %
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Yield Strength, Rp0.2
val1
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MPa
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  • 2Cross References

  • 11Composition
  • 7Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

  • -Joints
  • -Coatings
  • 7Dimensions
  • -Tribology

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

  • -Total Suppliers