2209idapangidwa kuti ichitike zitsulo zosapanga dzimbiri monga 2205 (osagwirizana N31803).
Er 2553imagwiritsidwa ntchito makamaka pamatayala osapanga dzimbiri zomwe zili ndi pafupifupi 25% chromium.
2594ndi waya wapamwamba kwambiri. Chitsulo chokwanira chofanana (chothandizira) chilibe 40
Er2209 ER2553 ER2594 WOPHUNZITSIRAKuphatikizika kwa mankhwala
| Giledi | C | Mn | Si | P | S | Cr | Ni |
| Er2209 | 0.03 max | 0,5 - 2.0 | 0.9 Max | 0.03 max | 0.03 max | 21.5 - 23.5 | 7.5 - 9.5 |
| Er25533 | 0.04 max | 1.5 | 1.0 | 0.04 max | 0.03 max | 24.0 - 27.0 | 4.5 - 6.5 |
| Er2594 | 0.03 max | 2.5 | 1.0 | 0.03 max | 0.02 max | 24.0 - 27.0 | 8.0 - 10.5 |
Post Nthawi: Jul-31-2023