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Steel C40



 

 

C40

EN 10250-2:1999, Number: 1.0511

 

Comparison of steel grades

JUS

Č.14341

DIN

C40

BS

080M40, EN8

GOST

40

AISI

1040

UNI

C40,

NF

(AF60C40), (1C40)

 

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

0,37-0,44

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 conditions

Thickness of ruling section tR

Diameter in mm

tR ≤ 100mm

100< tR ≤250mm

250< tR ≤500mm

500< tR ≤1000mm

Re min  (N/mm2)

290

260

-

-

Rm min (N/mm2)

550

530

-

-

A % min.

l-longitudinal

17

17

-

-

tr - transverse

-

-

-

-

KV min * (J)

l-longitudinal

-

-

-

-

tr - transverse

-

-

-

-

 

1N/mm2=1MPa

Heat treatment conditions

Quenching

Temperature, 0C

Cooling medium

Tempering

Temperature, 0C

Normalizing 
temperature, 0C

830 to 870

Water or oil

550 to 660

850 to 890


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