Deoxidizer Series

Manganese Nitride Flakes (MnN Flakes) – An Efficient Nitrogen Microalloying Carrier for High‑Nitrogen Steels and Special Alloys

Manganese Nitride Flakes are flake‑shaped nitride materials produced from high‑purity metallic manganese through gas‑phase or solid‑phase nitriding processes, with nitrogen content stabilized between 8% and 12%. They serve as a key nitrogen‑alloying additive in the production of high‑nitrogen stainless steels, weathering steels, high‑strength low‑alloy steels, and tool steels. The product offers core advantages such as high nitrogen yield, uniform dissolution and diffusion, and precise composition control, along with characteristics including regular flake morphology, moderate surface area, and excellent flowability. It enables stable nitrogen introduction and efficient solid solution in electric furnaces, AOD/VOD refining, and vacuum induction melting, significantly enhancing the strength, corrosion resistance, and fatigue performance of steel.

Produced through continuous nitriding and laminated crushing technology, combined with crystal‑structure regulation and surface passivation treatment, the product exhibits low oxygen content, no free nitrogen release, and dispersed nitride distribution. It effectively prevents nitrogen‑bubble defects, suppresses harmful precipitates such as Cr₂N, and improves the hot‑workability of high‑nitrogen steels. It is particularly suitable for advanced material fields with stringent requirements for nitrogen content and microstructural homogeneity, such as marine corrosion‑resistant steel, bearing steel, oil‑and‑gas pipeline steel, and medical implant alloys.

We provide specialty metallurgy and advanced‑material enterprises with multiple nitrogen‑content specifications, customized thickness and particle size, and full‑process nitrogen‑distribution analysis for Manganese Nitride Flakes, along with integrated process solutions. We are committed to being your technical strategic partner in achieving precise nitrogen microalloying design and overcoming the challenges of high‑nitrogen material production.

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