Unalloyed and alloyed steel casting
These are the types of steel used for improvement
| RED. | SRJ | USA | NEMAČKA | HEMIJSKI SASTAV (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NUMBER | JUS | ASTM | WrNr | mark | C | Si | Mn | Pmax | Smax | Cr | Ni | Mo | |
| 1 | ČL.1330 | 1.0619 | GS-C25 | 0,18-0,23 | 0,3-0,5 | 0,5-0,8 | 0,030 | 0,030 | For use at elevated temperatures up to 450℃ | ||||
| 2 | ČL.1531 | 0,42-0,50 | 0,25-0,50 | 0,5-0,8 | 0,035 | 0,035 | Steel casting for surface hardening; crane wheels; sprockets; gears | ||||||
| 3 | ČL.4730 | 1.7218 | GS-25 CrMo4 | ~0,25 | ~0,50 | ~0,60 | 0,035 | 0,035 | ~1,0 | ~0,25 | For statically and dynamically loaded constructions and parts | ||
| 4 | ČL.4731 | 1.722 | GS-340 Mo4 | ~0,33 | ~0,50 | ~0,6 | 0,035 | 0,035 | ~1,0 | ~0,25 | For surface hardening and for use at temperatures down to -50 ℃ | ||
| 5 | ČL.4732 | 1.7225 | GS-42 CrMo4 | ~0,42 | ~0,50 | ~0,60 | 0,035 | 0,035 | ~1,0 | ~0,25 | |||
| 6 | ČL.5430 | 0,34-0,40 | 0,30-0,50 | 0,50-0,80 | 0,035 | 0,035 | 1,4-1,7 | 1,4-1,7 | 0,15-0,25 | Steel casting for mechanically heavily loaded parts and wear-resistant parts, casting for surface hardening | |||
| 7 | ČL.7130 | 1.5419 | GS-22 Mo4 | ~0,21 | ~0,50 | ~0,60 | 0,045 | 0,045 | ~0,50 | Steel casting intended for operation at a temperature of 300 ℃ - 540 ℃ and parts of pressure tanks | |||
| 8 | ČL.7431 | 1.7357 | GS-17 CrMo5.5 | ~0,18 | ~0,40 | ~0,60 | 0,040 | 0,040 | ~1,2 | ~0,50 | For heavily loaded parts and work at temperatures up to 500 ℃ |
