Compare 3D Printing Materials

PEEK (Polyether Ether Ketone) is a high-performance engineering plastic widely used in aerospace, automotive, medical, and electronics industries. As a material that is resistant to high temperatures, chemical corrosion, and wear, PEEK offers exceptional strength and rigidity in 3D printing, making it suitable for demanding functional parts. It can withstand temperatures exceeding 250°C and maintain stable performance under high loads and extreme conditions. PEEK also has excellent electrical insulation properties and biocompatibility, making it an ideal choice for medical implants and high-end industrial components.

Inconel 718 is known for its outstanding high-temperature strength, creep resistance, and corrosion resistance. The material can withstand operating temperatures above 700°C while maintaining excellent fatigue and fracture resistance. Through additive manufacturing, GH4169 can produce parts with complex geometries and is widely used in aerospace engines, gas turbines, high-temperature molds, and high-performance industrial components.
Disadvantages: High cost; complex heat treatment process; thin-walled structures require careful design; default surface roughness Ra10–12.

17-4 PH stainless steel is a precipitation-hardening stainless steel known for its excellent hardness and corrosion resistance. Through vacuum solution heat treatment and H900 aging treatment, printed parts can achieve high strength, high hardness, and good wear resistance. 17-4 PH stainless steel is suitable for manufacturing industrial components that require high strength, corrosion resistance, and complex structures, such as aerospace parts, molds, and high-load machinery.
Disadvantages: Low elongation (≤16% after heat treatment); weak magnetism after heat treatment.

3D printed titanium alloys, represented by Ti6Al4V, feature extremely high specific strength and excellent corrosion resistance, while being lightweight and tough. They enable the creation of complex geometries and topology-optimized designs through additive manufacturing, and are widely used in aerospace, medical implants, automotive, and high-performance sports equipment. Titanium alloys also offer good high-temperature performance and biocompatibility, making them an ideal choice for manufacturing high-performance, lightweight components.
Disadvantages: Poor heat resistance (maximum 120°C); surface roughness around Ra10, with slight pits and visible layer texture.

Stainless steel 316L offers excellent corrosion resistance and high-temperature performance. It combines good mechanical strength and toughness, making it a reliable material for manufacturing acid- and corrosion-resistant components. Thanks to its outstanding corrosion resistance and its suitability as a medical- and food-grade material, it is widely used in aerospace, prototypes, tooling, and medical applications. Finished parts are typically shot-peened for surface treatment. If you require any other post-processing, please inform our customer service clearly.
Disadvantages: Poor heat resistance (maximum 120°C); surface roughness around Ra10, with slight pits and visible layer texture.

TPU is a flexible and highly tough filament with excellent impact resistance and wear resistance. It is suitable for printing various production prototypes and functional parts that need to withstand impact, drops, and collisions.

3D printed aluminum alloys, represented by AlSi10Mg and other aluminum-silicon-magnesium alloys, combine lightweight characteristics with excellent mechanical properties. They offer an outstanding strength-to-weight ratio, good corrosion resistance, and thermal conductivity, and demonstrate excellent fatigue and fracture resistance after heat treatment. The material is easy to form, weld, and machine, making it ideal for aerospace, automotive, and tooling applications where lightweight design and structural complexity are critical. Finished parts are typically shot-peened for surface treatment. If you require any other post-processing, please inform our customer service clearly.
Disadvantages: Poor heat resistance (maximum 120°C); surface roughness around Ra10, with slight pits and visible layer texture.