Low Ai ferrosilicon refers to ferrosilicon alloy with lower aluminum content(such as Al<0.5% or lower) ,Ferrosilicon is an alloy of silicon and iron, Low AL Ferrosilicon is mainly used as a deoxidizer in steelmaking, an alloy additive, or to improve the performance of cast iron in casting. It is especially suitable for special steels or precision castings with strict requirements on aluminum content.
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Low Al FeSi manufacturer Top 10 in China
| Low Al FeSi manufacturer | Country | output |
| Inner Mongolia Ordos Resources Co., Ltd. | Inner Mongolia | 160,000 tons per year |
| Ningxia Yinglite Chemical Co., Ltd. | Ningxia | 140000 ton per years |
| Qinghai Huadian Ferroalloy Co., Ltd. | Qinghai | 80000 ton per years |
| Gansu Tengda West Railway Resources Holding Group | Gansu | 120000 ton per years |
| Shaanxi Shenghua Metallurgical Co., Ltd. | Shaanxi | 60000 ton per years |
| Yunnan Yongchang Silicon Industry Co., Ltd. | Yunnan | 100000 ton per years |
| Sichuan Chuantou Emei Ferroalloy | Sichuan | 120000 ton per years |
| Anyang Zhenxin Metallurgical Materials Co., Ltd. | Anyang | 100000 ton per years |
| Xinjiang Zhonghe Co., Ltd. | Xinjiang | 80000 ton per years |
| Ningxia Zhongwei Yinhe Smelting Co., Ltd. | Ningxia | 90000 ton per years |
Low Al ferrosilicon price FOB price in China
Low aluminum ferrosilicon needs to be customized, there are relatively few suppliers, and the price is higher than ordinary ferrosilicon. From January 2025 to now, China market the general export price of low aluminum ferrosilicon(Si: 75%min Al: 0.3%max) is FOB Tianjin 1497USD/T.
Anyang Zhenxin Metallurgical Materials Co., Ltd. are supplier of Low Al ferrosilicon (Al: <0.2).As a leading ferroalloy manufacturer ,Our products have been pass by BV, CCIC. Stable output and guaranteed quality.
Specifications and grades of low Al ferrosilicon
| Grade | Si | Ai | Uses |
| FeSi65-Al0.5 | 65%-72% | ≤0.5% | Ordinary steelmaking deoxidation, casting |
| FeSi75-Al0.2 | 72%-80% | ≤0.2% | Special steel (silicon steel, stainless steel) |
| FeSi90-Al0.1 | 87%-95% | ≤0.1% | Preparation of high-end electronics and photovoltaic silicon materials |
Production process of low aluminum ferrosilicon from Zhenxin Metallurgy

Application of Low Al Ferrosilicon
- Steelmaking deoxidation: Aluminum easily forms Al₂O₃ inclusions in steel, which affects the toughness of steel. Low-aluminum ferrosilicon can reduce such risks and improve the purity of molten steel.
- Special alloy steel: When producing high-end steel grades such as silicon steel and stainless steel that are sensitive to impurities, the aluminum content must be strictly controlled.
- Precision casting: Used for ductile iron or thin-walled castings to avoid grain boundary embrittlement or surface defects caused by aluminum.
Choose Zhenxin Metallurgy to buy low aluminum ferrosilicon
