99.7% EMM Flakes for 200 Series Stainless Steel

99.7% EMM Flakes, also called 99.7% Electrolytic Manganese Metal Flakes, are refined metallic manganese flakes with Mn 99.7% min. They are usually silver-gray, hard and brittle, and supplied in irregular flake form with typical 1–2mm thickness.

Because EMM flakes contain high manganese content and controlled impurity levels, they are used as a clean manganese addition material in metal production. For 200 series stainless steel producers, 99.7% EMM flakes can help adjust manganese content while reducing unnecessary input of C, S, P, Fe and Si from the manganese source.

Our 99.7% EMM flakes are suitable for stainless steel plants, alloy producers and metal raw material buyers who need stable Mn content, clear chemical composition and practical flake form for production use.

For stainless steel producers, the value of 99.7% EMM flakes is not only the high Mn content. The more practical value is that they support cleaner and more controllable manganese addition.

 More Accurate Mn Adjustment

Because the Mn content is high and stable, the addition amount can be calculated more directly. This helps reduce batch-to-batch variation during stainless steel production.

 Lower Unwanted Element Input

Compared with some manganese alloy materials, EMM flakes introduce less Fe, Si and C. This is helpful when the production team needs to keep these elements under tighter control.

 Easier Handling Than Fine Powder

The irregular flake form is easier to weigh, transfer and feed than powder. This can reduce dust, material loss and handling difficulty in the workshop.

 Suitable for Final Composition Correction

When the melt already contains other alloying elements, EMM flakes can be used as a cleaner Mn source for final adjustment, depending on the furnace practice.

Send us your target Mn content, impurity limits and order quantity. We can help you confirm whether Mn99.70 EMM flakes are suitable for your stainless steel production process.

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Q1: Why are 99.7% EMM flakes used in 200 series stainless steel?
A: They are used as a clean manganese addition material. Their high Mn content and controlled impurities help stainless steel producers adjust Mn content with lower input of C, S, P, Fe and Si.

Q2: What does Mn99.70 mean?
A: Mn99.70 means the manganese content is 99.70% min. It is a standard grade of electrolytic manganese metal flakes.

Q3: Are EMM flakes the same as ferro manganese?
A: No. EMM flakes are metallic manganese flakes with high Mn content and low Fe input. Ferro manganese is an Fe-Mn alloy and adds both iron and manganese.

Q4: Why does low carbon matter in stainless steel production?
A: Carbon control is important for many stainless steel grades. Using a low-carbon manganese source can help reduce unnecessary carbon input during composition adjustment.

Q5: Can 99.7% EMM flakes replace ferro manganese in all stainless steel production?
A: Not always. It depends on the target grade, cost requirement, furnace practice and impurity limits. EMM flakes are more suitable when cleaner manganese addition is needed.

Q6: What thickness are your EMM flakes?
A: The typical flake thickness is 1–2mm. The flakes are silver-gray, hard, brittle and irregular in shape.

Q7: Can you provide COA before shipment?
A: Yes. COA can be provided for each shipment, including key elements such as Mn, C, S, P, Fe, Si and Se.

Q8: What packing do you use?
A: Our standard export packing is 1MT jumbo bags, suitable for bulk industrial shipment and warehouse handling.

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