Deunyddiau crai
Cynhyrchwyd y cynnyrch hwn trwy ddefnyddio powdr alwmina diwydiannol a chalchfaen purdeb uchel fel deunyddiau crai.
Cynhyrchu
After being smelted and cooled by
electric arc furna...
Mynegai perfformiad | DK-68 | DK-71 | DK-80 | |
Cyfansoddiad cemegol (%) |
AL2O3 | ≥64 | ≥68 | ≥78 |
Cao | ≤ 35 | ≤ 31 | ≤ 21 | |
SiO2 | ≤ 0.5 | ≤ 0.4 | ≤ 0.3 | |
Fe2O3 | ≤ 0.5 | ≤ 0.4 | ≤ 0.3 | |
SBET (cm2/g) | ≥4500 | ≥4500 | ≥6000 | |
0.045mm Gweddillion sgrin (%) | ≤ 15 | ≤ 10 | ||
Gosod amser | Amser gosod cychwynnol (munud) | ≥30 | ||
Amser gosod terfynol (munud) | ≤ 360 | |||
CCS/CMOR(MPa) | Cynnal a chadw 6h | ≥10 / 2 | ≥8 / 1.5 | |
Cynnal a chadw 24 awr | ≥40 / 6 | ≥40 / 5 | ||
Nodyn | Gellir addasu amser gosod yn unol â'ch gofynion | |||
pecyn | 25kg / bag |
Manyleb | A600 | A700 | A900 | |
Cydrannau cemegol (%) | Al2O3 | ≥50.0 | ≥51.0 | ≥53.5 |
Cao | ≤ 39.2 | ≤ 38.5 | ≤ 38 | |
SiO2 | ≤ 7.8 | ≤ 7.5 | ≤ 5.5 | |
Fe2O3 | ≤ 2.5 | ≤ 2.5 | ≤ 2.5 | |
SBET(m2/kg) | ≥300 | ≥320 | ≥350 | |
Gweddillion sgrin 0.045mm (%) | ≤ 15 | ≤ 12 | ≤ 8 | |
Gosod amser | Amser gosod cychwynnol (munud) | ≥45 | ≥60 | ≥90 |
Amser gosod terfynol (munud) | ≤ 360 | ≤ 360 | ≤ 360 | |
CCS/CMOR(ACM) | Cynnal a chadw 24 awr | ≥45 / 6 | ≥55 / 6.5 | ≥72 / 8.0 |
Safon prawf | GB/T17671&GB201-2000 | |||
pecyn | 25kg / bag neu yn unol â gofynion cwsmeriaid |