Manganese

Silicon Manganese Alloy (SiMn) is a core composite alloy material for steel smelting. It is smelted from manganese, silicon, iron and trace elements such as carbon, phosphorus and sulfur, presenting as silvery-gray block solid. As one of the most widely used basic ferroalloys in the steelmaking industry, it has multiple functions of deoxidation, desulfurization and alloying. With high cost performance and stable performance, it is an essential raw material for the production of carbon steel, alloy steel and special steel, and is widely used in steel smelting, mechanical casting, metallurgical processing and other industries.

1. Excellent deoxidation efficiency: The synergistic deoxidation of silicon and manganese enables deoxidation products to float and separate easily, ensuring high purity of molten steel and reducing steel impurity defects.

2. Strong desulfurization and modification capacity: It can combine with sulfur in molten steel to eliminate hot brittleness of steel and improve steel processability.

3. Stable alloying effect: It effectively improves the strength, toughness, hardness and hardenability of steel, and optimizes the comprehensive mechanical properties of steel.

4. Wide adaptability and low loss: It has low burning loss and mild reaction during smelting, compatible with various steelmaking and casting processes.

As an indispensable basic raw material in the metallurgical industry, silicon manganese alloy is mainly used for smelting various steels, including carbon steel, low alloy steel, stainless steel, rebar, steel plates and profiles. In the steelmaking process, it is mainly used as a composite deoxidizer, desulfurizer and alloying additive to improve molten steel quality and stabilize steel performance. Meanwhile, it serves as the production raw material for medium and low carbon ferromanganese and manganese metal, and can also be used for inoculation modification of mechanical castings to enhance compactness and wear resistance of castings.

Conventional particle sizes: 10-100mm, 3-10mm. Special specifications such as particles and powder can be customized according to customer requirements. Complying with industry standards, the product features uniform composition, no impurities, no pulverization and stable quality. It is packed in standard 1-ton sealed bags with moisture-proof performance, suitable for long-distance transportation and warehousing, and customized packaging is available.

Note: All indicators follow strict internal control standards, better than national standard. Batch composition error is controlled within ±0.5%.

We provide standard sizes in stock matching different feeding processes of electric furnace, converter, refining furnace and casting production line. Customized sizes are available. Secondary screening is adopted to control powder proportion ≤3%.

1. Large lump: 10-100mm, for manual feeding and large converter steelmaking
2. Standard granule: 3-10mm, for automatic vibrating feeder and medium frequency furnace casting
3. Fine granule & powder: 1-3mm / 20-200mesh, for refining furnace injection
4. Packaging: 1000kg moisture-proof ton bag, waterproof and dustproof, suitable for sea and land transportation. Custom label is acceptable.

Equipped with self-owned large-scale closed submerged arc furnaces with year-round staggered production. Monthly stable output: 12,000 MT; annual output: over 140,000 MT. Full automatic smelting and online spectrum quality inspection eliminate manual errors and ensure highly consistent quality of every batch.

1. Spot inventory guarantee: Over 3,000 MT permanent spot inventory. Urgent orders can be loaded and delivered within the same day.
2. Long-term contract supply: Annual/quarterly fixed-price supply contract available. No production limit, no price hike in peak seasons to avoid supply shortage risks.
3. Logistics efficiency: Domestic delivery arrives at steel mill warehouse within 3-7 days. Support port consolidation and one-stop customs clearance for export orders.
4. Quality after-sales guarantee: Unconditional return and replacement for unqualified products with all logistics cost covered by our side.

Cooperate with us, you will obtain stable quality solution, full-year uninterrupted supply chain guarantee and cost-saving smelting supporting service. We help you control incoming material risks, stabilize production lines and reduce auxiliary material cost per ton steel, meeting all procurement demands for domestic steel mills, foundries and international traders.

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