|
C25E
EN 10250-2:1999, Number: 1.1158
|
|
Comparison of steel grades
|
|
JUS
|
Č.1332
|
|
DIN
|
CK25
|
|
BS
|
-
|
|
GOST
|
25
|
|
AISI
|
1025
|
|
UNI
|
-
|
|
NF
|
-
|
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
|
|
Related products:
28Mn6 | C10E | C15E, C15C | C15R | C16E | C16R | C22R | C25E | C35E | C35R | C40E | C40R | C45E | C45R | C50E; 2C50 | C50R | C55E | C55R | C60E | C60R |
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
|
|
