Products Description
An alloy of iron and silicon. Ferrosilicon is mainly used as a deoxidizer and alloy additive in steelmaking, and is also used in casting, beneficiation, welding rod, light metal industry and as a reducing agent for smelting certain metals. The main raw material of smelting ferrosilicon is silica ore (quartz, silica), SiO2 in the ore is generally higher than 96%, smelting high silicon ferrosilicon is higher than 98%, P2O5 in the ore generally should not exceed 0.02%, Al2O3 should not exceed 1.5%. The commonly used varieties of ferrosilicon contain 45%, 75% and 90% silicon.
Low-silicon ferrosilicon (10 ~ 15% silicon) can be smelted in blast furnaces with iron ore and silica. High coke ratio and wind temperature are required. In operation, the top temperature of the furnace is high, the gas contains much dust, and the prolific operation is difficult. High-silicon ferrosilicon is smelted in a carbon-lined reduction furnace, using silica, steel chips (or iron scales), and coke as raw materials. Electric furnace iron silicon is slag free smelting, raw materials must be clean, not mixed with mud sand and other impurities, the charge with wood chips and coal, can improve the performance of the charge. In the smelting process, the material surface is easy to crust and "stab fire" (the material surface spits fire), and it must be often "ramming furnace". The furnace produces iron silicon every 2 to 4 hours and casts ingots with a thickness of less than 100 mm in the ingot mold.
Products Description
|
Type |
Si |
Al |
C |
S |
P |
|
FeSi 75-A |
75%Min |
1.5%Max |
0.2%Max |
0.02%Max |
0.04%Max |
|
FeSi 75-B |
75%Min |
2.0%Max |
0.2%Max |
0.02%Max |
0.04%Max |
|
FeSi 72 |
72%Min |
2.0%Max |
0.25%Max |
0.02%Max |
0.04%Max |
|
FeSi 65 |
65%Min |
2.5%Max |
0.3%Max |
0.02%Max |
0.04%Max |
Customer Visit
FAQ
1: Are you a manufacturer or trader?
A1: We are manufacturer.
Q2: How is the product quality?
A2: The products will be strictly inspected before shipment, so the quality could be guaranteed.
Q3: What certificats do you have?
A3: ISO9001 and others.
Q4: What's the MOQ of trial order?
A4: Usually the MOQ is 25MT,which is the loading capacity of 1 20ft container.
Contact
ZHEN AN INTERNATIONAL CO., LTD
Fax: +86-372-5055135
Email: nancy@zaferroalloy.com
Website: https://www.zaferroalloy.cn/
Head office: Huafu Office, Anyang City, Henan Province, China
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