High-Strength Alumina Ceramic Tubes: High-Temperature Resistant Industrial Core Components

Product Overview

Alumina ceramic tubes are advanced industrial ceramic products manufactured from high-purity aluminum oxide (Al₂O₃) as the primary raw material, sintered at temperatures exceeding 1700°C. They exhibit excellent mechanical strength, high hardness, outstanding wear resistance, and stable chemical properties, maintaining reliable performance under harsh conditions including high temperatures and corrosive environments, making them ideal structural ceramic materials.

Main Applications

• High-temperature kilns: Thermocouple protection tubes, furnace rollers

• Electronics and electrical: Insulating sleeves, vacuum tube housings

• Mechanical equipment: Wear-resistant liners, guide tubes

• Chemical and metallurgical industries: Molten metal transfer pipes, anti-corrosion pipe linings

Product Advantages

1. High-temperature resistance: Maximum service temperature up to 1650°C

2. High hardness: Rockwell hardness HRA ≥ 85

3. Excellent insulation: Volume resistivity > 10¹⁴ Ω·cm

4. Corrosion resistance: Withstands most acids and alkalis

5. Superior wear resistance: Service life exceeding metal components by 10 times

Technical Specifications

Manufacturing Process

Raw material preparation → Ball milling and mixing → Spray granulation → Isostatic pressing → High-temperature sintering → Precision machining → Inspection and packaging

Usage Instructions

1. Avoid hard impact during installation; use soft gaskets where appropriate

2. Strictly control heating/cooling rates (<5°C/min)

3. Ensure operating conditions remain within pressure specifications

4. Avoid contact with hydrofluoric acid

FAQ

Q: What is the maximum processable size?
A: Standard sizes: OD 3-200mm, length ≤1000mm; custom sizes available

Q: What is the delivery lead time?
A: Standard specifications: 7 days; custom orders: 15-30 days

Q: Are they anti-static?
A: Anti-static properties can be achieved through special processing

We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics.

Deyu Precision Ceramics Technology Co., Ltd. has many years of experience in producing special precision ceramics, and has the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. At present, the company has production and processing equipment such as dry press, isostatic press, experimental furnace, flat kiln, machining center, surface grinder, universal internal and external grinder, centerless grinder and laser cutting machine, as well as complete high-precision testing equipment such as high-precision projector, three-dimensional tester, metallographic microscope, hardness tester and densitometer.

With advanced production technology and complete production facilities, the company is one of the few domestic enterprises that can produce special precision ceramic structural parts and functional parts with machining accuracy less than 2 microns, and has strong core competitiveness in the same industry in China.

Advantages of the company: 1. National new technology enterprises; 2. The company has a municipal R&D center; 3. Cooperation with domestic key universities and research institutes; 4. Design, molding, sintering and precision processing; 5. The products cover alumina, zirconia, silicon nitride, silicon carbide and other precision ceramics; 6. Precision plus technology.

The company has always been standing in the position of customers to solve problems, focusing on the principle of quality and delivery time, adhering to the business philosophy of "integrity, innovation and reassurance", and sincerely looking forward to cooperating with you.