EN-GJL-250
| Casting type | Cast iron with lamellar graphite |
| Material No. | EN-JL-1040 |
| US Standard (AISI) | No 25 B |
| DIN EN 10027-2 | 5.1301 |
| Abbreviation | EN-GJL-250 |
| Old designation | GG25 DIN 1561 |
| Composition [%] | C: 3.20 - 3.50 Si: 2.50 - 2.70 Mn: 0.50 - 0.80 P: 0.1 - 0.2 S: 0.1 Cu: 0.1 - 0.6 |
| Density [g/cm³] | 7.20 |
| R0.2 N/mm² Yield point | - |
| 0.1 % - Yield point Rp0.1 N/mm² | 165 - 228 |
| Tensile strength Rm [N/mm²] | 250 - 350 |
| Brinell hardness HB30 Sample <30mm | 190 - 230 |
| Elongation at fracture A% | 0.8 - 0.3 |
| E-modulus E KN/mm² | 103 - 118 |
| Compressive strength Sdb N/mm² | 840 |
| Machinability | very good |
| Weldability | limited, weldable with special electrodes |
| Compressive strength | good |
| Dry-running properties | good |
| Thermal conductivity | good |
| Vibration-absorbing property | good |
| Castability | very good |
| Other properties | - |
| Structure | Perlitic |
| Main applications |
|
Information for reference only; we do not assume any liability for its accuracy. Properties of steel materials are highly dependent on thermal and/or mechanical treatment.