Polvo metálico para herramientas

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Tooling is an essential aspect of many industries, from automotive to aerospace. The ability to shape, cut, and form metal into specific designs is crucial. One key component in this process is metal powder, a material that has revolutionized how tooling is done. This article dives deep into the world of polvo metálico para utillaje, offering an exhaustive overview of different types, their compositions, properties, and much more. So, let’s get started!

Overview of Metal Powder for Tooling

Metal powders are finely divided solid materials used in various manufacturing processes. These powders are essential in tooling because they can be molded and fused into intricate shapes that are otherwise difficult to achieve with bulk metals. The tooling industry has benefited immensely from the development of high-quality metal powders that offer exceptional strength, durability, and precision.

polvo metálico para utillaje

Types and Characteristics of Metal Powder for Tooling

Here are some specific metal powder models commonly used in tooling, each with unique characteristics:

  1. Polvo de acero inoxidable 316L
  • Composición: Hierro, Cromo, Níquel, Molibdeno
  • Propiedades: Excellent corrosion resistance, good formability, non-magnetic
  • Características: Used in marine and pharmaceutical industries due to its resistance to chlorides and acids.
  1. Polvo de acero inoxidable 17-4 PH
  • Composición: Iron, Chromium, Nickel, Copper
  • Propiedades: High strength and hardness, good corrosion resistance
  • Características: Ideal for aerospace, chemical, and petrochemical applications.
  1. Inconel 718 Polvo
  • Composición: Níquel, Cromo, Hierro, Niobio, Molibdeno
  • Propiedades: High tensile strength, excellent fatigue and creep resistance
  • Características: Perfect for high-temperature applications like gas turbines and nuclear reactors.
  1. Titanio Ti-6Al-4V Polvo
  • Composición: Titanio, aluminio, vanadio
  • Propiedades: Elevada relación resistencia/peso, excelente resistencia a la corrosión
  • Características: Commonly used in aerospace, medical implants, and automotive components.
  1. Cromo-cobalto en polvo
  • Composición: Cobalto, cromo, molibdeno
  • Propiedades: Superior wear resistance, high strength, biocompatible
  • Características: Used in dental implants, orthopedic implants, and aerospace components.
  1. Polvo de cobre
  • Composición: Cobre puro
  • Propiedades: Excellent thermal and electrical conductivity, good corrosion resistance
  • Características: Used in electrical components, heat exchangers, and automotive parts.
  1. Aluminio AlSi10Mg Polvo
  • Composición: Aluminio, Silicio, Magnesio
  • Propiedades: Lightweight, good thermal properties, high strength
  • Características: Ideal for automotive and aerospace components, and lightweight structures.
  1. H13 Polvo de acero para herramientas
  • Composición: Iron, Chromium, Molybdenum, Vanadium
  • Propiedades: High toughness, good wear resistance, high-temperature stability
  • Características: Used in die-casting, extrusion, and hot forging tools.
  1. Polvo de carburo de tungsteno
  • Composición: Tungsteno, Carbono
  • Propiedades: Extremely hard, excellent wear resistance, high melting point
  • Características: Used in cutting tools, mining equipment, and wear-resistant parts.
  1. Polvo de acero martensítico envejecido
    • Composición: Hierro, Níquel, Cobalto, Molibdeno, Titanio
    • Propiedades: Ultra-high strength, good toughness, minimal distortion during heat treatment
    • Características: Perfect for aerospace, tooling, and high-stress components.

Composición de Polvo metálico para herramientas

The composition of metal powder plays a critical role in determining its properties and suitability for specific tooling applications. Here’s a detailed table of compositions for some of the most commonly used metal powders:

Polvo metálicoElementos claveComposición (%)
Acero inoxidable 316LFe, Cr, Ni, MoFe: 65-70, Cr: 16-18, Ni: 10-14, Mo: 2-3
Acero inoxidable 17-4 PHFe, Cr, Ni, CuFe: 65-70, Cr: 15-17.5, Ni: 3-5, Cu: 3-5
Inconel 718Ni, Cr, Fe, Nb, MoNi: 50-55, Cr: 17-21, Fe: 17-21, Nb: 4.75-5.5, Mo: 2.8-3.3
Titanio Ti-6Al-4VTi, Al, VTi: 88-90, Al: 5.5-6.75, V: 3.5-4.5
Cobalto-CromoCo, Cr, MoCo: 60-65, Cr: 26-30, Mo: 5-7
CobreCuCu: 99.9+
Aluminio AlSi10MgAl, Si, MgAl: 85-90, Si: 9-11, Mg: 0.2-0.4
Acero para herramientas H13Fe, Cr, Mo, VFe: 85-90, Cr: 4.75-5.5, Mo: 1.1-1.75, V: 0.8-1.2
Carburo de tungstenoW, CW: 80-97, C: 3-20
Acero martensítico envejecidoFe, Ni, Co, Mo, TiFe: 60-65, Ni: 18-19, Co: 8-10, Mo: 4.6-5.2, Ti: 0.15-0.2

Properties of Metal Powder for Tooling

Each type of metal powder comes with its own set of properties that make it suitable for specific tooling applications. Understanding these properties can help in selecting the right material for the job.

Polvo metálicoFuerzaDurezaResistencia a la corrosiónConductividad térmicaDensidad (g/cm³)
Acero inoxidable 316LAltaMedioExcelenteMedio7.9
Acero inoxidable 17-4 PHMuy altaAltaBienMedio7.75
Inconel 718Muy altaAltaExcelenteBajo8.19
Titanio Ti-6Al-4VAltaMedioExcelenteMedio4.43
Cobalto-CromoAltaMuy altaExcelenteMedio8.3
CobreMedioBajoBienExcelente8.96
Aluminio AlSi10MgMedioBajoBienAlta2.7
Acero para herramientas H13AltaAltaMedioMedio7.8
Carburo de tungstenoExtremadamente altoExtremadamente altoBienBajo15.7
Acero martensítico envejecidoUltra AltaAltaMedioMedio8.0

Applications of Metal Powder for Tooling

Metal powders find applications in a variety of industries. Here’s a breakdown of some key uses:

IndustriaPolvo metálicoAplicación
AeroespacialTitanium Ti-6Al-4V, Inconel 718Componentes de motores a reacción, piezas estructurales
AutomociónAluminum AlSi10Mg, CopperEngine parts, heat exchangers, electrical components
MédicoCobalt-Chrome, Titanium Ti-6Al-4VImplantes, herramientas quirúrgicas
ElectrónicaCobre, aluminio AlSi10MgComponentes conductores, disipadores de calor
Fabricación de herramientas y matricesH13 Acero para herramientas, carburo de tungstenoMoldes, matrices, herramientas de corte
EnergíaInconel 718, Acero martensítico envejecidoTurbine blades, power generation equipment
DentalCobalt-Chrome, Titanium Ti-6Al-4VDental implants, orthodontic appliances
Fabricación general316L Stainless Steel, 17-4 PH Stainless SteelFasteners, industrial machinery components

Specifications, Sizes, Grades, and Standards of Metal Powder for Tooling

Specifications and standards ensure that the metal powders meet the required quality and performance levels for tooling applications.

Polvo metálicoEspecificacionesTallas (µm)GradosNormas
Acero inoxidable 316LASTM A276, ASTM F13815-45, 45-105316L, 316LSASTM, ISO 5832-1
Acero inoxidable 17-4 PH AMS 5643, ASTM A69315-45, 45-10517-4 PHASTM, AMS
Inconel 718AMS 5662, ASTM B63715-45, 45-105718AMS, ASTM, ISO
Titanio Ti-6Al-4VASTM B348, AMS 491115-45, 45-105Grado 5, Grado 23ASTM, AMS, ISO 5832-3
Cobalto-CromoASTM F75, ASTM F153715-45, 45-105CoCrMo, CoCrWASTM, ISO
CobreASTM B213, ASTM B12415-45, 45-105ETP, OFHCASTM
Aluminio AlSi10MgASTM B209, ASTM B24715-45, 45-105AlSi10Mg, AlSi12ASTM, ISO
Acero para herramientas H13ASTM A681, AMS 648715-45, 45-105H13ASTM, AMS
Carburo de tungstenoASTM B777, ISO 332515-45, 45-105WC-CoASTM, ISO
Acero martensítico envejecidoAMS 6514, ASTM A53815-45, 45-105 18Ni(300), C300AMS, ASTM

Proveedores y precios Polvo metálico para herramientas

Here’s a list of suppliers along with pricing details for different metal powders.

ProveedorPolvo metálicoPrecio (USD/kg)Bulk DiscountInformación del contacto
Tecnología CarpenterAcero inoxidable 316L30-40www.carpentertech.com
Höganäs ABAcero inoxidable 17-4 PH35-45www.hoganas.com
Materiales SandvikInconel 718100-150www.materials.sandvik
ATI MetalesTitanio Ti-6Al-4V200-250www.atimetals.com
Tecnologías de superficie PraxairCobalto-Cromo150-200www.praxairsurfacetechnologies.com
Elementos americanosCobre20-25www.americanelements.com
ECKART GmbHAluminio AlSi10Mg30-35www.eckart.net
KennametalAcero para herramientas H1350-60www.kennametal.com
Tungsteno y polvosCarburo de tungsteno80-100www.globaltungsten.com
Soluciones H.C. StarckAcero martensítico envejecido70-90www.hcstarck.com

Comparing Pros and Cons of Metal Powders for Tooling

Each metal powder has its own set of advantages and limitations. Here’s a comparative analysis:

Polvo metálicoVentajasLimitaciones
Acero inoxidable 316LExcelente resistencia a la corrosión, biocompatibleMedium strength and hardness
Acero inoxidable 17-4 PHHigh strength and hardness, good corrosion resistanceMore expensive than 316L
Inconel 718High temperature stability, excellent strengthMuy caro, difícil de mecanizar
Titanio Ti-6Al-4VElevada relación resistencia/peso, excelente biocompatibilidadCaro, difícil de procesar
Cobalto-CromoSuperior wear resistance, high strength, biocompatibleCaro, difícil de mecanizar
CobreExcellent thermal and electrical conductivity, relatively inexpensiveLow strength, prone to oxidation
Aluminio AlSi10MgLigero, buenas propiedades térmicasLower strength compared to steel and titanium
Acero para herramientas H13High toughness and wear resistance, suitable for high-temperature applicationsProne to corrosion without coating
Carburo de tungstenoExtremely hard, excellent wear resistanceVery brittle, expensive
Acero martensítico envejecidoResistencia ultra alta, buena tenacidadHigh cost, limited corrosion resistance

Detailed Look at Specific Metal Powders

Polvo de acero inoxidable 316L

316L stainless steel powder is renowned for its excellent corrosion resistance, making it a top choice for applications in harsh environments. This powder is particularly favored in marine and pharmaceutical industries. Its low carbon content enhances its resistance to intergranular corrosion. This metal powder is non-magnetic in the annealed condition and exhibits good weldability.

Polvo de acero inoxidable 17-4 PH

17-4 PH stainless steel powder is a martensitic precipitation-hardening stainless steel that combines high strength and hardness with good corrosion resistance. It is commonly used in aerospace, chemical, and petrochemical industries. Its ability to be heat treated to various strength levels adds to its versatility.

Inconel 718 Polvo

Inconel 718 is a nickel-chromium alloy known for its high strength, excellent fatigue, and creep resistance at high temperatures. This makes it ideal for high-temperature applications such as gas turbines and nuclear reactors. The powder form allows for the creation of complex shapes that are essential for these demanding environments.

Titanio Ti-6Al-4V Polvo

Titanium Ti-6Al-4V, also known as Grade 5 titanium, is the most widely used titanium alloy. It offers an excellent combination of strength, light weight, and corrosion resistance. Its biocompatibility makes it suitable for medical implants, while its high strength-to-weight ratio is perfect for aerospace applications.

Cromo-cobalto en polvo

Cobalt-chrome alloys are known for their superior wear resistance, high strength, and excellent biocompatibility. These properties make cobalt-chrome powder a preferred material for dental and orthopedic implants, as well as high-performance aerospace components.

Polvo de cobre

Copper powder is prized for its excellent thermal and electrical conductivity. It is widely used in electrical components, heat exchangers, and automotive parts. Its relatively low cost and good corrosion resistance add to its appeal.

Aluminio AlSi10Mg Polvo

AlSi10Mg is an aluminum alloy powder that combines light weight with good mechanical properties. It is often used in the automotive and aerospace industries for components that require high strength and light weight. Its good thermal conductivity makes it suitable for applications where heat dissipation is important.

H13 Polvo de acero para herramientas

H13 tool steel powder is known for its high toughness, good wear resistance, and stability at high temperatures. These properties make it an excellent choice for die-casting, extrusion, and hot forging tools. However, it requires protective coatings to prevent corrosion.

Polvo de carburo de tungsteno

Tungsten carbide powder is one of the hardest materials available, offering exceptional wear resistance and high temperature stability. It is used in cutting tools, mining equipment, and wear-resistant parts. However, its brittleness and high cost can be limiting factors.

Polvo de acero martensítico envejecido

Maraging steel powder, such as 18Ni(300), offers ultra-high strength and good toughness. It is used in aerospace and tooling applications where high stress resistance is required. However, it is expensive and has limited corrosion resistance compared to other materials.

polvo metálico para utillaje

PREGUNTAS FRECUENTES

PreguntaRespuesta
What is metal powder used for in tooling?Metal powder is used to create intricate shapes and high-precision tools that are difficult to make with bulk metals.
Why is 316L stainless steel popular in tooling?316L stainless steel is popular due to its excellent corrosion resistance and good formability.
How is metal powder manufactured?Metal powder is typically produced through atomization, where molten metal is turned into fine particles.
What are the advantages of using metal powder for tooling?Metal powders allow for precise control over the material properties, enabling the production of complex shapes and high-strength components.
Is titanium Ti-6Al-4V suitable for medical implants?Yes, titanium Ti-6Al-4V is biocompatible and commonly used for medical implants.
How does Inconel 718 perform in high-temperature environments?Inconel 718 has excellent high-temperature stability and is used in applications such as gas turbines and nuclear reactors.
¿Pueden reciclarse los polvos metálicos?Yes, metal powders can often be recycled, reducing waste and environmental impact.

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MET3DP Technology Co., LTD es un proveedor líder de soluciones de fabricación aditiva con sede en Qingdao, China. Nuestra empresa está especializada en equipos de impresión 3D y polvos metálicos de alto rendimiento para aplicaciones industriales.

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