2Cr12MoV (China / GB) Material Properties

Other designations:
Material group: Ferrous Alloys / Stainless steels
Country/Standard: China / GB

Data updates

Latest Update: 2016-07
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 900 — 1050 MPa view details
Elongation, A 13 % view details
Reduction of Area val1
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% view details
Impact Strength val1
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kJ/m² view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 241 — 311 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 130.5 — 152.3 ksi view details
Elongation, A 13 % view details
Reduction of Area val1
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% view details
Impact Strength val1
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ft·lb/in² view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) 241 — 311 view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 215 GPa view details
Density 7.61 — 8.1 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 31.2 E+03 ksi view details
Density 0.275 — 0.293 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.18 – 0.24
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
11.00 – 12.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.30
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
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

Steels of blade for steam turbine, GB/T 8732 / 2004

Heat Treatments

  • Annealing at 880 - 930°C, slow cooling; Hot tempering 750 - 770°C, air cooling; Hardened and tempered (I): Hardening at 1020 - 1070°C, cooling in oil; Tempering at 650°C, cooling in air; Hardened and tempered (II): Hardening at 1020 - 1050°C, cooling in oil; Tempering at 700 - 750°C, cooling in air;
  • Liquid quenched and tempered (I): Quenching at 1020 - 1070°C / oil cooling; tempering at >= 650°C / air cooling. Annealing at 880 - 930°C/slow cooling; hot tempering 750-770°C/rapid cooling. Liquid quenched and tempered (II): Quenching at 1020 - 1050°C / oil cooling; tempering at 700 - 750°C / air cooling. Annealing at 880 - 930°C/slow cooling; hot tempering 750-770°C/rapid cooling.