What are the common materials used in metal 3D printing? Performance characteristics?

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What are the common materials for metal 3D printing? What are their performance characteristics?

Technical Q&A2026-06-08

Mainstream: 316L stainless steel, AlSi10Mg aluminum alloy, TC4 titanium alloy, and tool steel.

Stainless steel: corrosion-resistant, high strength, general mechanical parts.
Aluminum alloy: lightweight, good thermal conductivity, automotive and lightweight structural parts.
Titanium alloy: high strength, biocompatible, medical implants, aerospace parts.
Mold steel: directly print molds, conformal cooling channels, improve injection molding efficiency.

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