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C45   ( 1.0503 )

Grade : C45
Number: 1.0503
Standard:
    EN 10277 - 2 : 2008   Bright steel products. Technical delivery conditions. Steels for general engineering purposes
    EN 10083 - 2 : 2006   Steels for quenching and tempering. Technical delivery conditions for non alloy steels
    EN 10250 - 2 : 2000   Open steel die forgings for general engineering purposes. Non-alloy quality and special steels
Classification: Non-alloy quality steel
Equivalent grades: Go here

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Chemical composition %   of grade   C45 (1.0503)
Cr + Mo + Ni = max 0.63
C Si Mn Ni P S Cr Mo
0.43 - 0.5max   0.40.5 - 0.8max   0.4max   0.045max   0.045max   0.4max   0.1


Mechanical properties of grade   C45 (1.0503)

Nominal thickness (mm):   to 1616 - 100100 - 250250 - 500500 - 1000
Rm - Tensile strength (MPa) (+N)620580560540530
Nominal thickness (mm):   5 - 1010 - 1616 - 4040 - 6363 - 100
Rm - Tensile strength (MPa) (+C)750-1050710-1030650-1000630-900580-850


Nominal thickness(mm):   to 100100 - 250250 - 500500 - 1000
Re - Upper yield strength (MPa) (+N)305275240230
Nominal thickness(mm):   5 - 1010 - 1616 - 4040 - 6363 - 100
Rp0.2 0.2% proof strength (MPa) (+C)565500410360310


Nominal thickness (mm):     5 - 1010 - 1616 - 4040 - 6363 - 100
A - Min. elongation at fracture (%) (+C)56788


Nominal thickness (mm):     to 1616 - 100100 - 250
A - Min. elongation Lo = 5,65 √ So (%) (+N) 141616


  Brinell hardness   (HBW):   (+S)255
  Brinell hardness   (HBW):   (+A)207
  Brinell hardness   (HBW):   (+SH)172 - 242


Properties of grade   C45 (1.0503)
Weldability: Due to the medium-high carbon content it can be welded with some precautions.
Hardenability: It has a low hardenability in water or oil; fit for surface hardening that gives this steel grade a high hardness of the hardened shell.


Equivalent grades of grade   C45 (1.0503)
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
Austria
ONORM
Russia
GOST
Inter
ISO
1042
1045
Gr.1043
C45
S45C
AF65C45
C45
070M46
50HS
1C45
C45
C45k
45
1650
45
12050
C45SW
45
C45
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Mechanical properties
Mechanische Eigenschaften
Caracteristiques mecaniques
ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite delasticite 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   C45 (1.0503). Equivalent grades of   C45 (1.0503). Standards of   C45 (1.0503).
Properties of   C45 (1.0503). Hardness of   C45 (1.0503). Strength of   C45 (1.0503). Elongation of   C45 (1.0503).

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