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Steel C45



 

C45

EN 10250-2:1999, Number: 1.0503

 

Comparison of steel grades

JUS

Č.1530

DIN

C45

BS

(080M46)

GOST

45

AISI

1043

UNI

-

NF

(AF65C45), CC45

 

Chemical analysis -% by mass *

Chemical elements

C

Si
max.

Mn

P

max.

S
max.

Cr
max.

Mo
max.

Ni
max.

Cr+Mo+Ni
max.

 

%, by mass

0,42-0,50

0,40

0,50-0,80

0,045

0,045

0,40

0,10

0,40

0,63

-

Permissible deviation

±  0,02

+ 0,03

± 0,04

+ 0,005

+ 0,005

+ 0,05

+ 0,03

+ 0,05

 

-

*At the option of the manufacturer the elements aluminium, titanium, vanadium and niobium may be added singly or in combination for grain size control
    purposes. Elements not quoted in table shall not be added  to the steel without the agreement of  the purchaser, except for the purpose  of  finishing the heat.



Mechanical properties in the normalized and normalized and tempered conditions

Thickness of ruling section tR

Diameter in mm

tR ≤ 100mm

100< tR ≤250mm

250< tR ≤500mm

500< tR ≤1000mm

Re min  (N/mm2)

305

275

240

230

Rm min (N/mm2)

580

560

540

530

A % min.

l-longitudinal

16

16

16

15

tr - transverse

-

12

12

11

KV min * (J)

l-longitudinal

-

18

15

12

tr - transverse

-

10

10

10

 

1N/mm2=1MPa

Maksimim hardness for forgings to be supplied in the annealed condition

HB max 207

 

 

Heat treatment conditions

 

Quenching

Temperature, 0C

 

Cooling medium

Tempering

Temperature, 0C

Normalizing 
temperature, 0C

820 to 860

Water or oil

550 to 660

840 to 880



 

 

C45

EN 10083-2:2002, Number: 1.0503

 

Comparison of steel grades

JUS

Č.1530

DIN

C45

BS

(080M46)

GOST

-

AISI

1043

UNI

C45

NF

CC45, (AF65C45)

 

Chemical analysis -% by mass

Chemical elements

C*

Si
max.

Mn

P

max.

S
max.

Cr
max.

Mo
max.

Ni
max.

Cr+Mo+Ni*
max.

%, by mass

0,42-0,50

0,40

0,50-0,80

0.045

0,045

0,40

0,10

0,40

0,63

Permissible deviation

± 0.02

± 0,03

± 0,04

+ 0.005

+  0.005

± 0,05

+0,03

+0,05

-



Maximum hardness for products to be supplied in the ’’treated to improve shearability (+S)’’ or

’’soft annealed (+A)’’ condition

 

+S

HB max.

+A

HB max.

255

207

 

Mechanical properties in the quenched and tempered condition (+QT) )

 

Mechanical properties for the ruling sections (see prEN10083-1:2002, Annex A) with a diameter (d) or for flat products trickness (t) of

d  ≤ 16mm t ≤ 8mm

16mm < d  ≤ 40mm

8mm < t  ≤  20mm

40mm < d  ≤ 100mm

20mm < t  ≤  60mm

Re min (MPa)

490

430

370

Rm (MPa)

700-850

650-800

630-780

A  min. (%)

14

16

17

Z  min. (%)

35

40

45

KV min. (J)

-

                  -

                  -

                             Re:Upper yield strenght or, if on yield phenomenos occurs, the 0,2% proof strenght Rρ0,2.
                             Rm: Tensile strenght

Mechanical properties in the normalized condition – (+N)

 

Mechanical properties for  products with a diameter (d) or, for flat products, a trickness (t) of

d  ≤ 16mm t ≤ 16mm

16mm < d  ≤ 100mm

16mm < t  ≤  100mm

100mm < d  ≤ 250mm

100mm < t  ≤  250mm

Re min. (MPa)

340

305

275

Rm min. (MPa)

620

580

560

A  min. (%)

                14

                16

                 16

 

Heat treatment conditions

Quenching, 0C

Quenching agent

Tempering, 0C

Normalizing, 0C

820-860

Water or oil

Oil or water

550-660

840 to 900


Related products: - | C22 | C25 | C30 | C35 | C40 | C45 | C50 | C55 | C60 | S235J2G3, Fe360D1 | S235JRG2, Fe360B | S355J2G3 |

Zeljezara Niksic has more than fifty year long tradition as a manufacturer of high quality carbon, non alloy and alloy steel grades. It is an Electric Arc Furnace steelmaker with significant downstream processing options. It has been one of the leading European steel and special steel producers. Its products meet the following standards EN 10027-1, En 10027-2, DIN, JUS, AISI, BS, AFNOR, GOST, UNI. They are exported to most European countries and worldwide.


Zeljezara Niksic - Niksic, Montenegro
Phone: (+382) 20 234-616, (+382) 40 202 900 | Fax: (+382) 40 202-023
| Website: www.znksteel.com