34Cr2Ni2Mo (China / GB) Material Properties

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

Data updates

Latest Update: 2019-03
Total number of updates: 3
Update History:
2017-01 2016-07

Mechanical Properties


Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa
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Tensile Strength 690 — 1300 MPa view details
Elongation, A 10 % view details
Reduction of Area val1
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%
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Impact Energy val1
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J
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Brinell Hardness (HB) 207 — 341 view details
Yield Strength, Rp0.2 val1
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ksi
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Tensile Strength 100.1 — 188.5 ksi view details
Elongation, A 10 % view details
Reduction of Area val1
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%
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Impact Energy val1
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ft·lb
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Brinell Hardness (HB) 207 — 341 view details

Physical Properties


Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.30 – 0.38
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.40 – 1.70
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.40 – 0.70
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
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

GB/T 17107: 1997 / Structural steel grades and mechanical property for forgings

Heat Treatments

  • Hardening: heating at 850°C, cooling in oil; Tempering at 540°C, cooling in water or oil.
  • Quenching (830-860°C); Tempering (540-660°C)