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CX Maraging Steel Powder

CX (Corrax) is a low-carbon, high-nickel, high-chromium maraging steel that achieves strength through the precipitation of the beta-strengthening phase during aging. It offers excellent corrosion resistance in both oxidizing and non-oxidizing environments and is less prone to cracking during the printing process. It is a commonly used 3D printing metal material for injection molds in China.

Excellent corrosion resistance · Superior weldability · Additive manufacturing

Process Advantages

High sphericity ≥95%: Plasma rotating electrode atomization technology, excellent sphericity, very few satellite particles, uniform and dense powder spreading;

Hollow rate ≤0.1%: Plasma rotating electrode atomization technology, very few hollow powders, resulting in dense and pore-free components;


Excellent corrosion resistance: Excellent corrosion resistance in both oxidizing and non-oxidizing environments;

Good fluidity and narrow particle size distribution: good fluidity (13.7s/50g), narrow 0-53μm particle size distribution (D10 is 25.8μm, D50 is 43.8μm, D90 is 65.6μm);

Excellent mechanical properties: tensile strength 1760MPa, impact toughness 25.8J/cm2, and hardness 50.4 HRC

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Printing Performance

0-53μm CX powder SEM

Powder Morphology

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CX mold steel microstructure

As-printed density above 99.9%, after heat treatment, fine grain size and uniform microstructure

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CX mold steel application

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Chemical Composition

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