51CrV4 (France / AFNOR NF) Material Properties

Other designations:
Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: France / AFNOR NF

Data updates

Latest Update: 2024-12
Total number of updates: 6
Update History:
2021-11 2019-06 2018-09 2018-08 2015-08

Mechanical Properties


Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa
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Tensile Strength 700 MPa view details
Elongation, A 6 % 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) ≤ 311 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Grain Size val1
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Yield Strength, Rp0.2 val1
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ksi
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Tensile Strength 101.5 ksi view details
Elongation, A 6 % 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) ≤ 311 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Grain Size val1
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Physical Properties


Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Shear Modulus 80 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient val1
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Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Shear Modulus 11.6 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient val1
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Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.47 – 0.55
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.90 – 1.20
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.70 – 1.10
UNIT
%
CAS NUMBER
7439-96-5
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

EN 10083-1: 1991 / Quenched and tempered steels - Part 1: Technical delivery conditions for special steels (includes amendment A1:1996)

Heat Treatments

  • <b>Oil quenched </b> at 850°C ± 10°C and <b> tempered </b> 450°C ± 10°C;<br> The Jominy hardenability test, quenched: 850°C.
  • Austenitizing: 840-870°C, cooling in oil.