Compare 3D Printing Materials

PETG (Polyethylene Terephthalate Glycol) is a 3D printing material that combines strength and toughness, offering the advantages of PLA’s ease of printing and ABS’s durability. It has excellent impact resistance and chemical stability, along with good transparency and a smooth surface finish. PETG has high-temperature resistance, making it ideal for producing functional parts, mechanical components, and durable prototypes. During printing, it experiences minimal shrinkage and warping, making it a reliable choice for home, education, and industrial applications.

PLA is a high-quality, high-performance, and cost-effective 3D printing material, offering excellent layer adhesion and impact resistance, resulting in durable and long-lasting prints. The base series comes in up to 30 colors, ensuring uniform color consistency and stable printing quality. PLA is made from renewable plant-based resources, eco-friendly, non-toxic, and biodegradable. It is reliable, easy to use, and provides high cost-performance with a wide range of colors, making it an ideal choice for home, education, and industrial printing.

PA+GF is a polyamide powder material reinforced with glass beads, which significantly improves stiffness and dimensional stability. Compared with unfilled polyamide, this material offers higher heat resistance and demonstrates excellent long-term wear performance. However, due to the addition of glass, its impact strength and tensile strength are relatively lower than those of other nylons.

Nylon is a high-performance engineering polymer with well-balanced properties. It offers high strength, excellent toughness, and outstanding wear resistance, along with superior chemical resistance and thermal stability, ensuring reliable performance even under demanding conditions. Thanks to its lightweight and high reliability, nylon materials are widely used in automotive, medical, aerospace, and consumer products, making them an ideal choice for applications requiring both functionality and durability.

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.

Inconel 718 es conocido por su sobresaliente resistencia a altas temperaturas, resistencia al fluencia y resistencia a la corrosión. El material puede soportar temperaturas de operación superiores a 700 °C mientras mantiene una excelente resistencia a la fatiga y a la fractura. A través de la fabricación aditiva, GH4169 permite producir piezas con geometrías complejas y se utiliza ampliamente en motores aeroespaciales, turbinas de gas, moldes de alta temperatura y componentes industriales de alto rendimiento.
Desventajas: alto costo; proceso de tratamiento térmico complejo; estructuras de paredes delgadas requieren un diseño cuidadoso; rugosidad superficial por defecto Ra 10–12.

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.

Acero inoxidable 17-4 PH, acero inoxidable de endurecimiento por precipitación conocido por su excelente dureza y resistencia a la corrosión. Mediante tratamiento térmico de solución al vacío y envejecimiento H900, las piezas impresas pueden alcanzar alta resistencia, gran dureza y buena resistencia al desgaste. El acero inoxidable 17-4 PH es adecuado para fabricar componentes industriales que requieren alta resistencia, resistencia a la corrosión y estructuras complejas, como piezas aeroespaciales, moldes y maquinaria de alta carga.
Desventajas: baja elongación (≤16 % después del tratamiento térmico); magnetismo débil tras el tratamiento térmico.

Aleaciones de titanio impresas en 3D, representadas por Ti6Al4V, que cuentan con una resistencia específica extremadamente alta y excelente resistencia a la corrosión, siendo al mismo tiempo ligeras y tenaces. Permiten crear geometrías complejas y diseños optimizados topológicamente mediante fabricación aditiva, y se utilizan ampliamente en aeroespacial, implantes médicos, automoción y equipos deportivos de alto rendimiento. Las aleaciones de titanio también ofrecen buen rendimiento a altas temperaturas y biocompatibilidad, lo que las convierte en una opción ideal para fabricar componentes ligeros y de alto rendimiento.
Desventajas: baja resistencia al calor (máximo 120 °C); rugosidad superficial alrededor de Ra 10, con pequeñas cavidades y textura de capas visible.

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.