GB 18Cr2Ni4WA Structural and constructional steels

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

Data updates

Latest Update: 2018-06
Total number of updates: 5
Update History
2017-08 2015-10 2015-08 2014-10

This material has 263 properties — only a subset is shown here.

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GB 18Cr2Ni4WA Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.13 – 0.19
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.35 – 1.65
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.25
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
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

GB/T 3077: 1999 / Alloy structure steels

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GB 18Cr2Ni4WA Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
val1
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kg/dm³
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Service Temperature
val1
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°C
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Poisson Coefficient
val1
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Shear Modulus
val1
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GPa
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This material has 263 properties — only a subset is shown here.

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GB 18Cr2Ni4WA Heat Treatments


  • Double quenching: at 950°C, cooling in air and at 850°C, cooling in air; Tempering at 200°C, cooling in water or air
  • Heat treatment 1: First quenching at 950°C; Second quenching at 860-870°C / air or oil cooling; tempering at 525-575°C / air cooling. Heat treatment 2: First quenching at 950°C; Second quenching at 850-860°C / air cooling; tempering at 150-170°C / air cooling.

GB 18Cr2Ni4WA Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 930 MPa
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Brinell Hardness (HB)
≤ 269
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Elongation, A
≥ 10 %
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Impact Strength
val1
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kJ/m²
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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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Yield Strength, Rp0.2
val1
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MPa
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GB 18Cr2Ni4WA International Equivalent Materials


Showing 15 of 66 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
YB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GOST
COUNTRY / PRODUCER
Russia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JUS
COUNTRY / PRODUCER
Yugoslavia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 66Cross References

  • 20Composition
  • 55Mechanical Properties
  • 57Physical Properties
  • 3Heat Treatment
  • -Metallography
  • -Machinability

  • 6Stress-Strain
  • -Formability
  • 2Fatigue
  • -Fracture
  • -Creep

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

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

  • 54Total Suppliers