GB G23Cr2Ni2Si1Mo Structural and constructional steels

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

Data updates

Latest Update: 2017-05
Total number of updates: 1
Update History

This material has 25 properties — only a subset is shown here.

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GB G23Cr2Ni2Si1Mo Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.050
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.20 – 0.25
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Ca
VALUE
≤ 0.001
UNIT
%
CAS NUMBER
7440-70-2
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
H
VALUE
val1
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UNIT
%
CAS NUMBER
1333-74-0
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
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
O
VALUE
val1
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UNIT
%
CAS NUMBER
7782-44-7; 17778-80-2
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

GB/T 3203: 2016 / Carburizing steels for bearing

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GB G23Cr2Ni2Si1Mo 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 25 properties — only a subset is shown here.

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GB G23Cr2Ni2Si1Mo Heat Treatments

  • First quenching 860 to 900°C or second quenching at 790 to 830°C, oil cooling; Tempering at 150-200°C air or gas cooling;
    Normalizing at 910 to 930°C, minimum 30 minutes, cooling in air and quenching at 925 +/-5°C, minimum 15 to 30 minutes, cooling in water.

GB G23Cr2Ni2Si1Mo Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 1180 MPa
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Brinell Hardness (HB)
≤ 229
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Elongation, A
≥ 10 %
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Impact Energy
val1
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J
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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  • -Cross References
  • 14Composition
  • 7Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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