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%, and the balance is iron and a small amount of impurities. Classified according to carbon content, such as carbon content ≤0.06%, ≤0.10%, ≤1.0%, etc. Alloys of iron, chromium and silicon containing not less than 30.0% chromium and not less than 35.0% silicon. Its production process is divided into two types: one-step method (usually called "slag method" or "ore method") and two-step method (usually called "slag-free method"). The raw materials used in one-step smelting include silica, chrome ore, and coke. The raw materials used in two-step smelting are silica, carbon ferrochrome, and steel shavings. Both smelting methods use coke as a reducing agent.
Ferro Silicon Chrome Specs:
|
Grade |
Si |
Cr |
C |
P |
S |
|
|
Ⅰ |
Ⅱ |
|||||
|
≥% |
≤% |
|||||
|
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 |
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