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C25

C25

Under EN 10250-2:1999 standard,,C25 Steel Plate Main Applications
C25 is used for manufacturing factory buildings, general construction and engineering plants, such as, drilling machine, excavator, tip lorry with electric wheel, mining dump truck, grab, shovel loader, bulldozer, all kinds of cranes, coalmine hydraulic support and other machinery and related structure units.

C25 EN 10250-2:1999, Number: 1.0406
 
Comparison of steel grades
JUS Č.13312
DIN C25
BS -
GOST 25
AISI -
NF -

C25 Steel Plate 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 0,22-0,29 0,40 0,40-0,70 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 quenched 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) 230 210 190 180
Rm min (N/mm2) 440 420 400 390
A % min.
l-longitudinal
23 23 23 22
tr -transverse
- 17 17 16
KV min * (J)
l-longitudinal
35 30 25 20
tr -transverse
- 20 15 15

  1N/mm2=1MPa Heat treatment conditions

Quenching Temperature, 0C Cooling medium Tempering Temperature, 0C Normalizing  
temperature, 0C
860 to 900 Water 550 to 660 880 to 920

Source:

Tags: C25

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