| 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
