GB 12Cr2Mo1V Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: China / GB

Data updates

Latest Update: 2025-09
Total number of updates: 3
Update History
2024-11 2023-09

This material has 116 properties — only a subset is shown here.

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GB 12Cr2Mo1V Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
B
VALUE
≤ 0.002
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
2.00 – 2.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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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
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

GB/T 42602: 2023 / Specification of forging of heavy steel forgings

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GB 12Cr2Mo1V 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 116 properties — only a subset is shown here.

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GB 12Cr2Mo1V Heat Treatments

  • Normalizing and tempering, quenching and tempering:
    Austenitizing at 920 - 980°C cooling in air, quenching in oil or water and tempering at min 680°C.

GB 12Cr2Mo1V Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
580 — 760 MPa
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Elongation, A
≥ 17 %
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Yield Strength, Rp0.2
≥ 410 MPa
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  • 1Cross References
  • 39Composition
  • 45Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • 2Creep
  • -Joints
  • -Coatings
  • 25Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers