Sapphire Tube

Sapphire Tube

Sapphire Tube

  • Tamaños personalizados y estándar en stock
  • Plazo de entrega rápido
  • Precio competitivo

Sapphire Tube is a high-purity single-crystal cylindrical component designed for demanding optical, industrial, and scientific applications. It offers excellent mechanical strength, thermal stability, and chemical resistance, with clear optical transmission from UV to mid-infrared. Sapphire Tubes are widely used in high-temperature, high-pressure, and corrosive environments, providing durable and reliable performance. We can supply high-quality Sapphire Tubes with various specifications and competitive prices, offering customized solutions to meet specific requirements.

O envíenos un correo electrónico a sales@heegermaterials.com.

Sapphire Tube Data Sheet

Densidad3.97–4.1 g/cm3
MaterialesAI2O3
Punto de fusión2045 ℃

Sapphire Tube Description

Sapphire Tube is a precision-engineered hollow sapphire cylinder, valued for its exceptional hardness, chemical stability, and thermal resistance. It maintains structural integrity under extreme conditions and delivers high optical clarity across a wide wavelength range. Commonly used in industrial monitoring, optical systems, and scientific instruments, these tubes provide reliable performance in harsh environments.

Sapphire Tube Specifications

ArtículoEspecificación
DimensionesDiameter up to 300 mm
Thickness (Length)5–300 mm
Pressure Resistance200 MPa
Resistencia a la temperatura<1600°C (Physical properties decrease at high temperatures)
Surface Quality80/50, 60/40 options
Polishing MethodInner/outer cylindrical polishing or full polishing
CoatingGenerally not coated
PackagingVacuum packaging
Custom ShapesSlotting and drilling are available

Sapphire Infrared Transmittance at Different Thicknesses

Sapphire Tube Key Features

  • High Temperature and Pressure Resistance: Can withstand extreme heat and pressure, suitable for industrial reactors and high-pressure systems.
  • Excellent Optical Transmission: Maintains clarity across UV to mid-IR wavelengths, ideal for optical and laser applications.
  • Chemical and Corrosion Resistance: Resistant to acids, alkalis, and harsh chemical environments.
  • Mechanical Strength and Durability: High hardness and wear resistance ensure long-lasting performance in demanding conditions.
  • Customizable Sizes and Shapes: Available in various diameters, lengths, and orientations to meet specific application requirements.

Sapphire Tube Applications

  • Protección de termopar: Used in high-temperature, high-pressure environments to protect sensors in industrial reactors and furnaces.
  • Optical Systems: Serves as a transparent channel for laser delivery, light guiding, and imaging applications.
  • Chemical and Corrosive Environments: Applied in chemical pumps, valves, and flow-control systems due to its resistance to acids and alkalis.
  • High-Temperature Processing Equipment: Suitable for use in kilns, furnaces, and other thermal processing machinery.
  • Scientific and Industrial Instrumentation: Used in laboratory devices, analytical instruments, and precision equipment requiring durability and optical clarity.

Sapphire Material Properties

PropiedadEspecificación
Fórmula químicaAluminum Oxide (Al₂O₃), single crystal
Crystal SystemTrigonal, hexagonal lattice
Punto de fusión2045℃

PropiedadEspecificación
Densidad3.97–4.1 g/cm³
Calor específico0.18 Cal/g·K (25℃); 750 J·kg⁻¹·K⁻¹ (25°C)
Conductividad térmica35–40 W·m⁻¹·K⁻¹ @20°C
Coeficiente de dilatación térmicaParallel: 6.7 × 10⁻⁶/K; Perpendicular: 5.0 × 10⁻⁶/K
Relación de Poisson0.28
Apparent Porosity0%
Water Absorption0%

PropiedadEspecificación
DurezaMohs: 9
Dureza (Knoop)2000 kgf/mm²
Dureza (Vickers)1700–1800 kgf/mm²
Módulo elástico340–380 GPa
Resistencia a la compresión2.1 GPa
Resistencia a la tracción0.19 GPa
Resistencia a la flexión448 MPa

PropiedadEspecificación
Punto de fusión2045℃
Continuous Use Temperature1800–1950℃
Coeficiente de dilatación térmicaParallel: 6.7 ×10⁻⁶/K; Perpendicular: 5.0 ×10⁻⁶/K;
Conductividad térmica35–40 W·m⁻¹·K⁻¹
Calor específico0.18 Cal/g·K / 750 J·kg⁻¹·K⁻¹

PropiedadEspecificación
Resistividad>10¹⁶ Ω·cm (25℃)
Constante dieléctrica7.5–10
Rigidez dieléctrica15–50 kV/mm

PropiedadEspecificación
Índice de refracciónParallel: 1.769; Perpendicular: 1.76; Range: 1.71–1.79
Alcance de la transmisión86% (280–3500 nm); Useful range: 200–5500 nm

Sapphire Products Packaging

Sapphire Products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

Embalaje de productos cerámicos-HM

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Solicitar presupuesto

Lo comprobaremos y le responderemos en 24 horas.

To customize your sapphire tube, please provide the following details:

  1. Dimensiones: Diámetro x Espesor de pared x Longitud
  2. Pureza del material
  3. Tolerancias: Especifique las tolerancias que puede aceptar.
  4. Acabado superficial: pulido, rugoso, etc.
  5. Cantidad de los productos que necesita
  6. Alternativamente, puede proporcionar un dibujo con sus especificaciones.

Una vez que tengamos estos datos, podremos facilitarle un presupuesto en 24 horas.

We carry a wide variety of Sapphire products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

Yes, Sapphire Tubes can withstand high temperatures, high pressures, and corrosive chemicals, making them suitable for harsh industrial conditions.

Sapphire Tubes offer superior hardness, broad-spectrum optical transmission, and exceptional chemical stability, providing longer service life and reliability.

Advanced Ceramic Hub, established in 2016 in Colorado, USA, is a specialized supplier and manufacturer of Sapphire products. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of cerámicametales refractarios, aleaciones especiales, polvos esféricos y diversos materiales avanzados, atendemos las necesidades de investigación, desarrollo y producción industrial a gran escala de los sectores científico e industrial.

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