GH 140 (China / GB) Material Properties

Material group: Nonferrous Alloys / Nickel / Nickel Alloys
Country/Standard: China / GB

Data updates

Latest Update: 2025-11
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 255 MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 618 — 677 MPa view details
Tensile Strength val1
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MPa view details
Tensile Strength val1
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MPa view details
Elongation, A 40 — 50 % view details
Elongation, A val1
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% view details
Elongation, A val1
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% view details
Reduction of Area val1
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% view details
Reduction of Area val1
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% view details
Yield Strength, Rp0.2 37 ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 89.6 — 98.2 ksi view details
Tensile Strength val1
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ksi view details
Tensile Strength val1
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ksi view details
Elongation, A 40 — 50 % view details
Elongation, A val1
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% view details
Elongation, A val1
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% view details
Reduction of Area val1
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% view details
Reduction of Area val1
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% view details

Physical Properties

Temperature

0 - 30°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 185 — 205 GPa view details
Density 7.9 — 8.8 kg/dm³ view details
Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Electrical Resistivity 1.07 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 26.8 E+03 — 29.7 E+03 ksi view details
Density 0.285 — 0.318 lb/in³ view details
Poisson Coefficient val1
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view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Electrical Resistivity 644 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.20 – 0.60
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.06 – 0.12
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Ce
VALUE
≤ 0.05
UNIT
%
CAS NUMBER
7440-45-1
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
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
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
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

Cold-rolled heat-resisting superalloy sheets, GB/T 14996 / 2010

Heat Treatments

  • 1050-1090°C, air cooled
  • 1050-1090°C, air cooled