GB ZG17Cr1Mo Class 2 Cast steels

Material group: Ferrous Alloys / Cast steels
Country / Standard: China / GB

Data updates

Latest Update: 2025-12
Total number of updates: 2
Update History
2025-11

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GB ZG17Cr1Mo Class 2 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.040
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.15 – 0.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.00 – 1.50
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
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 45981.3: 2025 / Heavy casting and forging for heavy-duty gas turbine - Part 3: Steel castings

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GB ZG17Cr1Mo Class 2 Heat Treatments

  • Quenching (or Normalizing) Temperature: 920°C – 960°C
    Tempering Temperature: 680°C – 730°C
    Stress Relief Annealing Temperature: minimum 670°C

GB ZG17Cr1Mo Class 2 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
490 — 690 MPa
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Brinell Hardness (HB)
140 — 220
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Elongation, A
≥ 20 %
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Yield Strength, Rp0.2
val1
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MPa
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Impact Energy
val1
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J
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  • 47Cross References
  • 12Composition
  • 11Mechanical Properties
  • -Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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