FeSi72 10–50mm for Steelmaking and Foundry Use
FeSi72 Ferro Silicon 10–50mm for Steelmaking and Foundry Use
FeSi72 ferro silicon is a silicon-iron alloy commonly used as a deoxidizer and silicon additive in steelmaking and foundry production. With 72% minimum silicon content and 10–50mm particle size, it is suitable for furnace feeding in regular steel, cast iron and alloy production.
Compared with FeSi65, FeSi72 provides higher silicon content and stronger deoxidizing performance. Compared with FeSi75, FeSi72 can be a practical option for buyers who need stable silicon addition while keeping cost under control.
ZhenAn supplies FeSi72 ferro silicon in lump or granular form, with particle size and packing adjusted according to order requirements. COA, MSDS, packing photos and shipment documents can be provided before delivery.
FeSi72 Chemical Composition and Supply Size
| Item | Typical Specification |
|---|---|
| Product Name | FeSi72 Ferro Silicon |
| Si | 72% Min |
| Mn | 0.4% Max |
| Al | 2.0% Max |
| C | 0.2% Max |
| S | 0.04% Max |
| P | 0.02% Max |
| Size | 10–50mm, customizable on request |
| Packing | 1 MT jumbo bag / pallet packing available |
| Documents | COA, MSDS, inspection report |
| MOQ | 1 MT, trial order negotiable according to stock |
Need FeSi72 Ferro Silicon Price?
Send us your required silicon content, particle size, order quantity and destination port. We can provide FeSi72 quotation details together with packing options, available stock, delivery terms and export documents.
FeSi72 Supply Capability from ZhenAn
ZhenAn supplies ferro silicon products including FeSi45, FeSi65, FeSi72 and FeSi75 for steelmaking and foundry customers. For FeSi72 orders, we can confirm chemical composition, particle size, packing method and delivery terms before shipment.
Regular packing is 1 MT jumbo bag. Pallet packing, small bags or container loading arrangements can be discussed according to customer requirements. Before shipment, COA, MSDS, packing photos and inspection documents can be provided if required.

01
30+ Years Manufacturer&Supplier
As a professional supplier and manufacturer of metallurgical raw materials, we always put the quality of our products first and ensure that our products meet industry standards to satisfy our customers' needs.
02
150,000+
Annual Production
So far, the company has 2 production plants, 8 12500KW submerged arc furnaces, multiple crushing equipment production lines, more than 200 employees
03
100+
Cooperating Partner
We not only meet the needs of China steel companies
But also export our products to 150 countries and regions including Japan, South Korea, India, Europe, and the United States.
04
200+
Enterprise Employees
- Our engineers can provide customized solutions for different customers' needs.
- Our sales team can provide professional advice and support to our customers.
- Our quality inspectors ensure that each batch of products meets international standards.
Customer Visits and Ferroalloy Supply Discussions
Customers visit our office and warehouse to discuss ferroalloy specifications, packing requirements, inspection documents and long-term supply cooperation. For FeSi72 orders, we can confirm grade, size, packing and shipment details before delivery.








Inspection Documents and Export Support
For export orders, ZhenAn can provide COA, MSDS, packing list, commercial invoice and other shipment documents according to buyer requirements. If the buyer needs loading photos or third-party inspection coordination, these details can be confirmed before shipment.





Our address
Huafu Commercial Center, Wenfeng District, Anyang City, Henan Province, China
sale@zanewmetal.com

Common Questions About FeSi72 Ferro Silicon
Q: What is FeSi72 ferro silicon used for?
A: FeSi72 is mainly used in steelmaking and foundry production as a deoxidizer and silicon additive. It helps supply silicon during melting and supports more stable furnace operation.
Q: What size do you supply for FeSi72?
A: The common size is 10–50mm. Other particle sizes can be discussed according to furnace feeding requirements.
Q: What is the difference between FeSi72 and FeSi75?
A: FeSi75 has a slightly higher silicon content, while FeSi72 can be a practical choice when buyers need stable silicon addition with better cost control.
Q: Can you provide COA before shipment?
A: Yes. COA can be provided before shipment, and MSDS or inspection documents can also be prepared according to buyer requirements.
Q: How is FeSi72 packed?
A: Standard packing is 1 MT jumbo bag. Pallet packing, small bags or container loading photos can be arranged if required.
Q: Do you support CIF or CFR delivery?
A: Yes. We support FOB, CIF, CFR and other trade terms according to destination port and order requirements.
Q: What is the MOQ for FeSi72?
A: Our regular MOQ is 1 MT. Trial orders can be discussed depending on stock, packing and delivery conditions.
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