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C25E

C25E EN 10250-2:1999, Number: 1.1158   Comparison of steel grades
JUS Č.1332
DIN CK25
BS -
GOST 25
AISI 1025
UNI -
NF -

 

Under EN 10250-2:1999 standard,C25E steel plate/sheet 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.

C25E 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 0,035 0,035 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) 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 Mechanical properties in the quenched and tempered condition  

Thickness of ruling section tR
Diameter in mm tR ≤ 70mm 70< tR ≤160mm 160< tR ≤330mm
Re min  (N/mm2) 270 220 210
Rm min (N/mm2) 450 410 390
A % min. l-longitudinal 25 25 24
tr - transverse - 18 16
KV min * (J) l-longitudinal 45 38 33
tr - transverse - 25 20

  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: C25E

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