PROPRIETARY ZG25CrMnSiMo Structural and constructional steels

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

Data updates

Latest Update: 2015-10
Total number of updates: 2
Update History
2015-09

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PROPRIETARY ZG25CrMnSiMo Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.2200 – 0.2700
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.0000 – 1.3000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.9000 – 1.2000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

China Aeronautical Materials Handbook, 2001

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PROPRIETARY ZG25CrMnSiMo 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 32 properties — only a subset is shown here.

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PROPRIETARY ZG25CrMnSiMo Heat Treatments

  • Heat treatment 1: Heat treated at 900°C, at 200 - 250°C, isothermal hardened, at 200 - 250°C, tempered. Heat treatment 2: Heat treated at 900°C, oil quenched, at 500 - 550°C, oil cooled. Heat treatment 3: Heat treated at 900°C. Austempered at 200°C. Tempered at 220°C.

PROPRIETARY ZG25CrMnSiMo Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 1175 MPa
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Elongation, A
val1
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%
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Impact Strength
val1
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kJ/m²
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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  • -Cross References
  • 7Composition
  • 20Mechanical Properties
  • 4Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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