Cov ntsiab lus ntawm peb cov khoom 1J80 hauv qab no:
Cov tshuaj lom neeg muaj pes tsawg leeg
| kev sau ua ke | C | P | S | Mn | Si |
| ≤ | |||||
| Cov Ntsiab Lus (%) | 0.03 | 0.020 | 0.020 | 0.60~1.10 | 1.10~1.50 |
| kev sau ua ke | Ni | Cr | Mo | Cu | Fe |
| Cov Ntsiab Lus (%) | 79.0~81.5 | 2.60~3.00 | - | ≤0.2 | Bal |
Kev kho cua sov
| lub cim lag luam | Kev ua kom sov nruab nrab | kub cua sov | Khaws qhov kub thiab txias lub sijhawm / h | Tus nqi txias |
| 1j80 | Hydrogen qhuav los yog nqus tsev, siab tsis pub tshaj 0.1 Pa | Nrog rau lub cub tawg kub txog 1100 ~ 1150ºC | 3~6 | Hauv 100 ~ 200 ºC / h ceev txias rau 400 ~ 500 ºC, ceev ceev rau 200 ºC kos ib qho nqi |
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