Manganese metal (Mn95) typically refers to manganese metal produced through the electrosilicon thermal process (electrofusion), with a manganese content of approximately 95%. Compared to electrolytic manganese flakes (Mn≥99.7%), fused manganese offers a significant cost advantage while maintaining high purity, making it an ideal choice for the steel and alloy industries seeking cost-effectiveness.

AON METALS's fused manganese metal ingot is produced strictly according to national standards and supplied in block or granular form. It effectively fills the market gap left by the high cost and high carbon ferromanganese impurities of electrolytic manganese, making it particularly suitable for applications with high manganese requirements but no special requirements regarding selenium, hydrogen, or other impurities specific to electrolytic manganese.

Manganese Metal Ingot

chemical composition

Grade	Mn	C	Suitable	Reason
JMn97	≥97%	≤0.08%	Low-carbon steel, welding wire steel, steel grades with carbon requirements	Carbon content ≤0.08%, ensuring no added carbon to the steel and guaranteeing the performance of low-carbon steel.
JMn96	≥96.5%	≤0.10%	Alloy structural steel, tool steel	Moderate carbon and impurity control, offering high cost-effectiveness.
JMn95	≥95%	≤0.15%	Plain carbon steel, wear-resistant steel (Mn13), rebar	The highest-volume grade, sufficient for current needs and economical.
JMn93	≥93.5%	≤0.20%	Ordinary cast steel, cost-sensitive applications	Higher carbon and iron content, but the cheapest price.

Features and uses

1,Chemical composition and properties:

95 metal manganese lumps are mainly composed of metal manganese, with a content of at least 95%, and the balance is other impurities such as iron, silicon, carbon, etc. High-purity manganese ingots have good chemical stability and mechanical properties.

2,Iron and steel metallurgy:

Metal manganese lump is an important alloying element and is widely used as an alloy additive in iron and steel metallurgy. Adding metallic manganese can significantly increase the hardness, strength and wear resistance of steel, while improving the hardenability and heat treatment properties of steel. Especially in the production of special steel, the use of manganese metal is very critical.

3,Battery industry:

Manganese metal lumps are also used as important raw materials in the battery industry. It is used to produce cathode materials for dry batteries, such as alkaline manganese batteries (such as alkaline manganese-zinc batteries), and cathode materials in lithium manganate batteries.

4,Chemical production:

Mn metal lump is used in the chemical industry to prepare some important chemicals and compounds, such as manganese oxide, manganese sulfate, etc. These compounds are widely used in metallurgy, electronics, glass and other industries.

5,Environmental protection:

Mn metal ingot is also used in the environmental field, such as in water treatment and air purification. It can be used as a catalyst and oxidant to help remove pollutants in water and purify harmful substances in the air.

Manganese Metal Ingot

Selection and Usage Key Points

Size Matching: 10–50 mm is easier to melt and reduces loss; 50–100 mm is more convenient for feeding. Choose according to furnace type and charging method.
Batch Consistency: Pay attention to fluctuations in C, P, S, Si, and Fe, and monitor furnace reports to reduce performance variations between batches.
Charge and Yield: Use staged charging with adequate stirring to improve melting and homogenization. It is recommended to add in the middle and late stages of refining to control C increase and yield.
Packaging and Storage: Keep in a dry, moisture-proof environment, avoiding rain and moisture absorption.

FAQ

Q1: What is the difference between fused manganese (Mn95) and electrolytic manganese flakes (Mn99.7)? How should I choose?

A1: The main differences lie in purity, production process, and cost.

Electrolytic manganese flakes: Extremely high purity (≥99.7%), extremely low impurities (especially C, P, S, Se), but higher price. Suitable for applications with extremely stringent impurity requirements, such as high-end stainless steel, battery materials, and aerospace alloys.

Fused manganese (Mn95): Purity around 95%, contains small amounts of Fe, Si, and C, but has a significant price advantage, about 30-50% cheaper than electrolytic manganese flakes. Suitable for most alloy steels, wear-resistant steels, welding materials, and common non-ferrous alloys, making it an ideal choice for those seeking cost-effectiveness.

Recommendation: If your product has no special requirements for elements introduced during the electrolysis process, such as Se and H, and the carbon content is allowed at a level of 0.1-0.2%, then fused manganese is a more economical choice.

Q2: How do you guarantee the batch stability of your Mn95 products?

A2: We ensure batch stability through the following measures:

Raw Material Control: We select high-quality manganese ore and reducing agents to ensure a stable raw material source.

Standardized Smelting: We strictly adhere to the predetermined electrosilicon thermal smelting process, controlling the melting temperature, time, and slag system.

100% Testing: Samples are taken and analyzed before each batch of products leaves the furnace; only those that pass the test are allowed to be cast. After casting, the broken and graded finished products undergo secondary sampling and testing. We can provide a material certificate for this batch with the shipment.

Q3: How are manganese metal lumps used in aluminum alloy production, and what is the yield?

A3: In aluminum alloy smelting, since the temperature of molten aluminum is usually lower than that of molten steel (700-750℃), the melting absorption of metallic manganese blocks (melting point 1244℃) is crucial. Recommendations:

Size: Use small blocks of 10-30mm to increase the contact area.

Temperature: The temperature of the molten aluminum should be raised to above 780℃ before adding manganese.

Stirring: After addition, thorough electromagnetic or manual stirring is required to aid dissolution.

Under these conditions, the yield can typically reach 90-95%. If large pieces are used directly and stirring is inadequate, the yield may be lower than 85%.

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