An iron alloy composed mainly of silicon, chromium, and iron. Also known as silicon chromium ferroalloy. It is mainly used as an intermediate alloy for the production of medium, low and micro-carbon iron by electrosilicothermal method. It is used as deoxidizer (instead of ferrosilicon) and chromium additive in steelmaking. Generally, it contains Cr>30%, Si>35 pousan, ak balans lan se fè ak yon ti kantite enpurte. Klasifye dapre kontni kabòn, tankou kontni kabòn Mwens pase oswa egal a 0.06 pousan , Mwens pase oswa egal a 0.10 pousan , Mwens pase oswa egal a 1.0 pousan, elatriye. Alyaj fè, chromium ak silikon ki gen pa mwens pase 30.0 pousan chromium ak pa mwens pase 35.0 pousan silikon. Pwosesis pwodiksyon li yo divize an de kalite: metòd yon sèl etap (anjeneral yo rele "metòd salop" oswa "metòd minrè") ak metòd de etap (anjeneral yo rele "metòd salop-gratis"). Materyèl bwit yo itilize nan fusion yon sèl etap gen ladan silica, minrè chrome, ak coke. Matyè premyè yo itilize nan de-etap fusion yo se silica, kabòn ferrochrome, ak kouto asye. Tou de metòd fusion itilize coke kòm yon ajan rediksyon.
Espesifikasyon Ferro Silicon Chrome:
|
Klas |
Si |
Kr |
C |
P |
S |
|
|
Ⅰ |
Ⅱ |
|||||
|
Pi gran pase oswa egal a pousan |
Mwens pase oswa egal a pousan |
|||||
|
FeCr30Si40-A |
40.0 |
30.0 |
0.02 |
0.02 |
0.04 |
0.01 |
|
FeCr30Si40-B |
40.0 |
30.0 |
0.04 |
0.02 |
0.04 |
0.01 |
|
FeCr30Si40-C |
40.0 |
30.0 |
0.06 |
0.02 |
0.04 |
0.01 |
|
FeCr30Si40-D |
40.0 |
30.0 |
0.10 |
0.02 |
0.04 |
0.01 |
|
FeCr32Si35 |
35.0 |
32.0 |
1.0 |
0.02 |
0.04 |
0.01 |
Baj popilè: ferro Silisyòm chrome, Lachin ferro Silisyòm chrome manifaktirè, Swèd, faktori
