The Manufacturer Customized High-Performance LC-Cr60V10 Ferro
Chrome Uses
Ferrochrome refining method
Medium, low and micro-carbon ferrochrome generally uses
silicon-chromium alloy, chromite and lime as raw materials, and is
refined and desiliconized in 1,500~6,000 kVA electric furnaces,
using high-basicity slag operation (CaO/SiO2 is 1.6~1.8). Low and
micro-carbon ferrochrome is also produced on a large scale by hot
exchange. Two electric furnaces are used in production, one for
smelting silicon-chromium alloy and the other for melting slag
composed of chrome ore and lime. The refining reaction is carried
out in two stages in two buckets: ① After the slag from the slag
furnace is injected into the first bucket, the silicon-chromium
alloy that has been preliminarily desiliconized in the other bucket
is added. Since the excess amount of oxidant in the slag is large
and the desiliconization is sufficient, a micro-carbon ferrochrome
with a silicon content of less than 0.8% and a carbon content of as
low as 0.02% can be obtained. ② After the slag (containing about
15% Cr2O3) after the reaction in the first bucket is moved to the
second bucket, the silicon-chromium alloy (containing 45% silicon)
smelted in the silicon-chromium electric furnace is hot exchanged
into the slag. After the reaction, the silicon-chromium alloy
(containing about 25% silicon) with preliminarily desiliconized is
obtained, which is added to the first bucket for further
desiliconization. The slag containing less than 2~3% Cr2O3 can be
discarded.
Specifications ferro chrome
| Grade | Chemical Compositions(%) |
| Cr | C | Si | P | S |
| ≥(Min) | ≤(Max) |
| LC-Cr65V3 | 65.0 | 0.03 | 1.0 | 0.03 | 0.03 |
| LC-Cr65V6 | 65.0 | 0.06 |
| LC-Cr65V10 | 65.0 | 0.10 |
| LC-Cr60V3 | 60.0 | 0.03 |
| LC-Cr60V6 | 60.0 | 0.06 |
| LC-Cr60V10 | 60.0 | 0.10 |
| LC-Cr60D25 | 60.0 | 0.25 |
| LC-Cr60D50 | 60.0 | 0.50 |
Packing & Delivery
Packing: 1 ton big bag, 20-25mt in 20' container
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