Materials
Gray cast iron
| ČSN | ČSN EN 1561 | DIN 1691 | Rm min (N/mm2) | Hardness (HB) |
|---|---|---|---|---|
| 422415 | EN-GJL-150 | GG-15 | >150 | 140-190 |
| 422420 | EN-GJL-200 | GG-20 | >200 | 150-230 |
| 422425 | EN-GJL-250 | GG-25 | >250 | 180-250 |
Ductile cast iron
| ČSN | ČSN for EN | DIN | Rm min (N/mm 2) | Rp 0,2 min (N/mm 2) | A (in %) |
|---|---|---|---|---|---|
| 422304 | EN-GJS-400-15 | GGG 40 | 400 | 250 | 15 |
| 422305 | EN-GJS-500-7 | GGG 50 | 500 | 320 | 7 |
| 422306 | EN-GJS-600-3 | GGG 60 | 600 | 370 | 3 |