GB 08Cr9W3Co3VNbCuBN Structural and constructional steels

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

Data updates

Latest Update: 2024-07
Total number of updates: 1
Update History

This material has 56 properties — only a subset is shown here.

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GB 08Cr9W3Co3VNbCuBN Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.010
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
As
VALUE
≤ 0.015
UNIT
%
CAS NUMBER
7440-38-2
CRITERIA
As+Bi+Pb+Sb+Sn
VALUE
≤ 0.035
UNIT
%
CAS NUMBER
CRITERIA
B
VALUE
val1
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UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
Bi
VALUE
val1
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UNIT
%
CAS NUMBER
7440-69-9
CRITERIA
C
VALUE
val1
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UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
val1
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UNIT
%
CAS NUMBER
7440-48-4
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
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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
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
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Sb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-36-0
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Sn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-31-5
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
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

GB/T 5310: 2023 / Seamless steel tubes and pipes for high pressure boiler

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GB 08Cr9W3Co3VNbCuBN Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.9 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 56 properties — only a subset is shown here.

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GB 08Cr9W3Co3VNbCuBN Heat Treatments

  • Normalizing temperature from 1030°C to 1140°C; Tempering temperature 760°C to 795°C.
    For S>60 mm steel pipes can be quenched and tempered. Quenching temperature not less than 1030°C, tempering temperature 760°C to 795°C.

GB 08Cr9W3Co3VNbCuBN Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 660 MPa
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Brinell Hardness (HB)
195 — 250
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Elongation, A
≥ 16 %
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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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Vickers Hardness (HV)
val1
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GB 08Cr9W3Co3VNbCuBN International Equivalent Materials

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MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
A32088
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Identical

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  • 1Cross References
  • 23Composition
  • 24Mechanical Properties
  • 4Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • 1Creep
  • -Joints
  • -Coatings
  • 2Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers