Electrolytic manganese flakes with 99.7% purity are the most widely used and mainstream grade on the market. It has higher purity than EMM flakes 99.5% and is cheaper than EMM flakes 99.8%, making it the first choice for many stainless steel, special steel, and aluminum alloy plants.

Manganese metal flakes are commonly available in three grades: 99.5%, 99.7%, and 99.8. What are the differences between them? We've spoken with our long-term customers, and here's how they choose:

99.5%: Lowest purity, cheapest price. Suitable for use as an additive in ordinary carbon steel and for producing manganese salts. However, stainless steel plants generally don't use it because of its higher impurity content.

99.7%: This is the grade with the highest sales volume. Used by stainless steel, special steel, and aluminum alloy plants. It offers the best balance between purity and price.

99.8%: Highest purity, most expensive price. Used by customers making battery materials (lithium manganese oxide, ternary materials) and high-end electrical steel.

Common applications of 99.7% manganese flakes:

200 series and 300 series stainless steel

High-strength low-alloy steel

3003 and 3104 aluminum alloys

Welding materials, manganese salts

electrolytic Mn metal 99.7%

chemical composition

Grade	Mn	C	S	P	Si	Fe	Se
Mn99.8	99.8	0.02	0.03	0.005	0.005	0.03	0.06
Mn99.7	99.7	0.04	0.05	0.005	0.010	0.03	0.10
Mn99.5	99.5	0.08	0.10	0.010	0.015	0.03	0.15

Grade: 99.5/ 99.7/ 99.8

Size: flakes

Color: brown;

Usage: Steelmaking, aluminum alloy;

Packaging: 1 MT big bag

Flakes or powder? It depends on your process.

Form	Size	Suitable Applications	Reasons
Flakes	Irregular flakes (0.5-2mm thick)	Stainless steel, special steel, and aluminum alloy smelting	Putting it directly into a ladle melts it quickly, doesn't smoke, and is the easiest method.
Powder	40-500 mesh	Welding materials, manganese salt production, and special solution preparation	Fine powder is needed for even dispersion, or it needs to be dissolved into a solution.

Note: sheet form for smelting, powder form for welding/chemical applications.

electrolytic Mn metal 99.7%

Product Advantages

Guaranteed High Purity:

With a purity exceeding 99.7%, compared to other manganese products with lower purities, it contains significantly fewer impurities. This reduces the negative impact of impurities during use and ensures consistent product quality. For example, in the production of high-end alloy steel, which is extremely sensitive to impurities, using Electrolytic Manganese Flakes 99.7 ensures that the steel's performance meets stringent standards.

Wide Applicability:

With its excellent chemical activity and ability to improve alloy properties, it is widely used in a wide range of fields, from traditional heavy industry to emerging electronics, meeting the diverse material performance requirements of various industries.

Mature and Stable Process:

After years of development and practice, the production process of Electrolytic Manganese metal Flake 99.7 has become highly mature, allowing precise control of all process parameters. This not only ensures consistent product quality but also enables large-scale production to meet the growing market demand for this product.

Electrolytic Manganese metal Flake 99.7

FAQ

Q: How much is the difference between 99.7 and 99.5 stainless steel? Which should I buy?

A: 99.7 is slightly more expensive than 99.5, but many stainless steel customers have calculated the costs: using 99.5 results in higher impurities, making the surface quality of the stainless steel more prone to problems and increasing the scrap rate. Saving that small price difference isn't worthwhile. Therefore, we generally recommend that those in the stainless steel business should at least buy 99.7.

Q: Can you guarantee that the selenium content of your 99.7 is below 0.10%?

A: Yes. We test every batch before it leaves the factory to ensure the selenium content is below 0.10%. If you have special requirements (such as for battery manufacturing), we can supply 99.8, with a selenium content ≤0.06%.

Q: Is the quality of your electrolytic manganese sheets consistent between batches?

A: Consistency is paramount. We use a spectrometer to test every batch before it leaves the factory to ensure that the fluctuation range of manganese and impurity content is controlled within a very small range. A material certificate is included with the goods, and you can also conduct random checks yourself.

Q: Should I buy the sheet or the powder form?

A: For stainless steel, special steel, and aluminum alloy factories, just buy the sheet form; it melts quickly when thrown into a steel ladle. If you are making welding materials or need to prepare a solution, you can buy the powder form (40-500 mesh, customizable).

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