C50 steel plate, EN 10083 C50 steel plate, under EN 10083 standard, we can regard C50 steel plate as high carbon steel.
C50 steel plate is one mainly of high carbon steel,EN 10083 C50 steel plate is one of the higher carbon content (0.47-0.55) steels.It is equal to DIN C50,JUS Č.16301 and NF AF70C55.
| C50 EN 10083-2 Number: 1.0540 |
Comparison of steel grades | |
| JUS | Č.16301 | |
| DIN | C50 | |
| BS | - | |
| GOST | - | |
| AISI | - | |
| UNI | - | |
| NF | (AF70C55) | |
| Chemical elements | C | Si max. |
Mn | P max. |
S max. |
Cr max. |
Mo max. |
Ni max. |
Cr+Mo+Ni max. |
| %, by mass | 0,47-0,55 | 0,40 | 0,60-0,90 | 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.
C50 steel Mechanical properties
| Thickness of ruling section tR | |||||
| Diameter in mm | tR ≤ 100mm | 100< tR≤250mm | 250< tR≤500mm | 500< tR≤1000mm | |
| Re min (N/mm2) | 320 | 290 | - | - | |
| Rm min (N/mm2) | 610 | 590 | - | - | |
| A % min. | l-longitudinal | 14 | 14 | - | - |
| 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 |
| 810 to 850 | Oil or water | 550 to 660 | 830 to 870 |
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