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51CrV4   ( 1.8159 )

    Grade :     51CrV4
    Number:     1.8159
    Standard:
    EN 10277 - 5 : 2008   Bright steel products. Technical delivery conditions. Steels for quenching and tempering
    EN 10083 - 3 : 2006   Steels for quenching and tempering. Technical delivery conditions for alloy steels
    EN 10132 - 4 : 2000   Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Spring steels and other applications
    EN 10089 : 2002   Hot rolled steels for quenched and tempered springs
    EN 10250 - 3 : 2000   Open steel die forgings for general engineering purposes. Alloy special steels
    Classification:     Alloy special steel
    Equivalent grades:     Go here



Chemical composition %   of grade   51CrV4 (1.8159)
C Si Mn P S Cr V
0.47 - 0.55max   0.40.7 - 1.1max   0.025max   0.0250.9 - 1.20.1 - 0.25


Mechanical properties of grade   51CrV4 (1.8159)

Nominal diameter (mm):   to 1616 - 4040 - 100100 - 160160 - 250
Rm - Tensile strength (MPa) (+QT)1100-13001000-1200900-1100800-1000800-950
Nominal thickness (mm):   0.3 - 3
Rm - Tensile strength (MPa) (+A)700


Nominal diameter(mm):   or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; to 1616 - 4040 - 100100 - 160160 - 250
Re - Upper yield strength or
Rp0.2 - 0.2% proof strength (MPa) (+QT)
900800700650600
Nominal thickness(mm):   0.3 - 3
Rp0.2 0.2% proof strength (MPa) (+A)550


Nominal thickness (mm):     0.3 - 3
A - Min. elongation Lo = 80 mm (%) (+A)13
A - Min. elongation at fracture (%) transverse, (+QT)9


Nominal thickness (mm):     to 1616 - 4040 - 100100 - 160160 - 250
A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products 910121313


Nominal diameter (mm):     or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; to 1616 - 4040 - 100100 - 160160 - 250
Z - Reduction in cross section on fracture (%) (+QT)4045505050


  Brinell hardness   (HBW):   (+A)248
  Brinell hardness   (HBW):   (+S)280
  Brinell hardness   (HBW):   (+AC)230
  Vickers hardness  ( HV):   (+A)220
  Vickers hardness  ( HV):   (+QT)370 - 550


Properties of grade   51CrV4 (1.8159)
Weldability: Bad weldability due to the high crack danger.
Hardenability: Good hardenability; suitable for pieces of small sizes and for exacting purposes. It can be hardened in oil.


Equivalent grades of grade   51CrV4 (1.8159)
Warning! Only for reference
USA
-
Germany
DIN,WNr
Japan
JIS
France
AFNOR
England
BS
Italy
UNI
Spain
UNE
China
GB
Sweden
SS
Poland
PN
Czechia
CSN
Russia
GOST
Inter
ISO
6150
50CrV4
SUP10
50CrV4
50CV4
51CrV4
735A50
735A51
50CrV4
51CrV4
F1430
50CrVA
2230
50HF
15260
50KHGFA
51CrV4
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Mechanical properties
Mechanische Eigenschaften
Caracteristiques mecaniques
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d�elasticite minimale
Rm Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc


Heat treatment conditions
+A Soft annealed
+AC Annealed to achieve spheroidization of the carbides
+AR As rolled
+AT Solution annealed
+C Cold drawn / hard
+CR Cold rolled
+FP Treated to ferrite-pearlite structure and hardness range
+I Isothermal annealing
+LC Cold drawn / soft
+M Thermo mechanical rolling
+N Normalized
+NT Normalized and tempered
+P Precipitation hardened
+PE Peeled
+QA Air quenched and tempered
+QL Liquid quenched and tempered
+QT Quenched and tempered
+S Treated to improve shearability
+SH As rolled and turned
+SR Cold drawn and stress relieved
+T Tempered
+TH Treated to hardness range
+WW Warm worked
+U Untreated

Chemical composition of   51CrV4 (1.8159). Equivalent grades of   51CrV4 (1.8159). Standards of   51CrV4 (1.8159).
Properties of   51CrV4 (1.8159). Hardness of   51CrV4 (1.8159). Strength of   51CrV4 (1.8159). Elongation of   51CrV4 (1.8159).

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