34CrNiMo6 (Germany / DIN) Material Properties

Other designations:
Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2025-03
Total number of updates: 9
Update History:
2024-12 2020-05 2019-06 2018-09 2018-08 2018-01 2017-08 2014-04

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 660 MPa view details
Elongation, A 7 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Impact Energy val1
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J view details
Brinell Hardness (HB) ≤ 308 view details
Rockwell Hardness (HR) val1
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Grain Size val1
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Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 95.7 ksi view details
Elongation, A 7 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) ≤ 308 view details
Rockwell Hardness (HR) val1
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view details
Grain Size val1
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view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Density val1
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kg/dm³ view details
Poisson Coefficient val1
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view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 38 — 42.6 W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.19 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Density val1
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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
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity 22 — 24.6 BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 316 E-06 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.30 – 0.38
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.30 – 1.70
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.50 – 0.80
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

EN 10269: 2013 / Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Heat Treatments

  • (+QT) Quenched: 830-860°C, cooled in water or oil; Tempered: 540-660°C.
  • Annealing: 650-700°C; Normalizing: 850-880°C; Hardening in oil: 830-860°C; Tempering: 540-680°C