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| Place of Origin | Jiangsu China |
| Brand Name | Guangda |
| Certification | DNV, BV, Rina, ISO, GL, ABS, LR ,CCS ,PED |
C25 1.0406 C25E 1.1158 forged round bar carbon steel round bar C25 steel bar C25 steel Manufacturer
C25 steel is general carbon steel with good tensile properties and mechinability.
Forged round bar 1.0406 C25 Product features
| Material | C25 1.0406 C25E 1.1158 |
| Type | Forged bar ,round ,square, flat, block, shaft etc. |
| Diameter | φ150-1500mm |
| Length | Max 10000mm (10m) |
| Surface | Black, peeled, polishing, bright, sand blast, hair line, etc. |
| Application | suitable for bolts, nuts, screws, tie rods, small shafts, brake gear. |
| Tensile strength test | DIN EN ISO 6892-1 |
| Impact test | DIN EN ISO 148-1 |
| UT | DIN EN10228 Quality-Class 3 C/c or D/d |
| Grain size | ASTM E112 / EN ISO 643 |
| Applicable standard | EN10250,EN10083,SEW550 etc |
| Certificate | EN 10204 / 3.1 3.2 |
Forged round bar 1.0406 C25 Chemical Compostion
| Standard | Steel designation name | Number | C | Si Max |
Mn | P Max |
S Max |
Cr Max |
Mo Max |
Ni Max |
Cr+Mo+Ni Max |
Al Min |
| EN10250 | C25 | 1.0406 | 0.17-0.24 | 0.40 | 0.40-0.70 | 0.045 | 0.045 | 0.40 | 0.10 | 0.40 | 0.63 | - |
| EN10250 | C25E | 1.1158 | 0.22-0.29 | 0.40 | 0.40-0.70 | 0.035 | 0.035 | 0.40 | 0.10 | 0.40 | 0.63 | - |
Forged round bar 1.0406 C25 Permissible deviations
| Permissible deviations between the producct analysis and the limiting values given in Table 1 for the cast analysis EN10250 |
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| Element | Permissible maximum content in the cast analysis % | Permissible deviation % |
| Carbon | ＜0.55 | ±0.02 |
| ＞0.55 ≤0.65 | ±0.03 | |
| Silicon | ≤0.40 | ±0.03 |
| ＞0.40 | ±0.04 | |
| Manganese | ≤1.00 | ±0.04 |
| ＞1.00 ≤1.65 | ±0.06 | |
| Phosphorus | ≤0.045 | +0.005 |
| Sulfur | ≤0.045 | +0.005 |
| Chromium | ≤0.40 | +0.05 |
| Molybdenum | ≤0.10 | +0.03 |
| Nickel | ≤0.40 | +0.05 |
| Aluminium | ≥0.020 | -0.005 |
Forged round bar 1.0406 C25 Mechanical properties
| Mechanical properties in the normalized and normalized and tempered conditions Thickness of ruling section tR |
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| Steel designation |
tR≤100mm | 100＜tR≤250mm | 250＜tR≤500mm | 500＜tR≤1000mm3) | ||||||||||||||||||||||
| Standard | Name | Number | Remin N/mm² |
Rmmin N/mm² |
A min % | KV min J | Remin N/mm² |
Rmmin N/mm² |
A min% | KV min J | Remin N/mm² |
Rmmin N/mm² |
A min % | KV min J | Remin N/mm² |
Rmmin N/mm² |
A min% | KV min J | ||||||||
| l 1) | tr 1) | l 1) | tr 1) | l 1) | tr 1) | l 1) | tr 1) | l 1) | tr 1) | l 1) | tr 1) | l 1) | tr 1) | l 1) | tr 1) | |||||||||||
| EN10250 | C25 | 1.0406 | 230 | 440 | 23 | - | 35 | - | 210 | 420 | 23 | 17 | 30 | 20 | 190 | 400 | 23 | 17 | 25 | 15 | 180 | 390 | 22 | 16 | 20 | 15 |
| EN10250 | C25E | 1.1158 | 230 | 440 | 23 | - | 35 | - | 210 | 420 | 23 | 17 | 30 | 20 | 190 | 400 | 23 | 17 | 25 | 15 | 180 | 390 | 22 | 16 | 20 | 15 |
Forged round bar 1.0406 C25 Heat treatment
| Heat treatment EN10250 |
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| Steel designation | Quenching temperature ℃ |
Cooling medium |
Tempering temperature ℃ |
Normalizing temperature ℃ |
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| Name | Number | ||||
| C25 | 1.0406 | 860 to 900 | Water | 550 to 660 | 880-920 |
| C25E | 1.1158 | 860 to 900 | Water | 550 to 660 | 880-920 |
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