• Alumina Tubes / Custom Alumina Ceramic Products
  • Alumina Tubes / Custom Alumina Ceramic Products
  • Alumina Tubes / Custom Alumina Ceramic Products
  • Alumina Tubes / Custom Alumina Ceramic Products

Alumina Tubes / Custom Alumina Ceramic Products

  • Yunxing
  • China
  • Depending on product size and quantity
  • 5,000-10,000/month(Looking for distributors)
1. Alumina tubes are resistant to high temperatures and corrosion. 2. High hardness and wear resistance. 3. Excellent electrical insulator. 4. Accept customized sizes. 5. Large stock and fast delivery.

Alumina Tubes / Custom Alumina Ceramic Products


Alumina Tube

Advantages of Alumina Tubes

Alumina tubes can withstand extreme temperatures up to 1700 ° C, making them suitable for high-temperature processes. Alumina tubes has strong resistance to chemical corrosion of acids, bases, and molten metals, excellent mechanical strength and hardness, and can provide structural integrity even under high stress conditions. Excellent electrical insulator that can maintain insulation performance in high temperature and vacuum environments,Low thermal expansion coefficient.

Applications of Alumina Tubes

1. Alumina tubes are commonly used as furnace linings, working pipes, and kiln components.

2. Alumina tubes protect thermocouples from extreme temperatures and harsh environments.

3. Alumina tubes them an ideal choice for high-voltage insulators and components in electronic and electrical equipment.

4. Alumina tubes are in reactors or as conduits for corrosive chemicals, combustion crucibles.

5. Porous alumina tubes are used in the filtration and separation process due to their chemical resistance and durability in handling corrosive fluids and gases.

6. Alumina tubes them a key material for supporting and insulating heating elements in industrial heating systems.

7. Alumina tubes are used in medical devices due to their biocompatibility and chemical inertness.

Size,Performance index

Alumina Tube(open both ends)(slip casting)  Specification Table:

Number

 SPEC: OD x IDLENG TH MMNumberSPEC: OD x IDLENG TH MM
INCHMM INCHMM
10.197x0.1185x3≤800321.126x0.88628.6x22.5≤1800
20.236x0.1576x4≤1300331.181x0.82730x21
30.250x0.1256.4x3.2341.181x0.90630x23
40.250x0.1576.4x4351.260x0.98432x25
50.250x0.1886.4x4.8361.375x1.12534.9x28.6
60.276x0.1577x4371.378x1.06335x27
70.276x0.1977x5381.496x1.18138x30
80.315x0.1978x5391.575x1.18140x30
90.354x0.2369x6≤1600401.654x1.33942x34
100.375x0.2509.6x6.4411.750x1.50044.5x38.1
110.394x0.23610x6421.811x1.49646x38
120.394x0.27610x7431.875x1.62547.6x41.3
130.433x0.27611x7441.969x1.57550x40
140.472x0.23612x6452.000x1.75050.8x44.5
150.472x0.31512x8462.250x2.00057.2x50.8
160.472x0.35512x9472.283x1.89058x48
170.500x0.25012.7x6.4482.362x1.9660x50
180.500x0.37512.7x9.5492.500x2.25063.5x57.2
190.551x0.39414x10502.559x2.16565x55
200.591x0.39415x10≤1800512.750x2.50069.9x63.5
210.630x0.47216x12522.756x2.36270x60
220.669x0.47217x12532.956x2.56175x65
230.688x0.43717.5x11.1543.000x2.75076x70
240.750x0.51219.1x13553.150x2.67580x68
250.787x0.59120x15563.500x3.12588.9x79.4≤1600
260.866x0.63022x16573.543x3.15090x80
270.866x0.66922x17583.937x3.543100x90
280.945x0.70924x18594.000x3.650101.6x93
291.000x0.75025.4x19.1604.331x3.937110x100≤1500
301.063x0.66927x17614.500x4.125114.3x105
311.063x0.78727x20624.724x4.331120x110
Insulation tube (extrusion)  Specification Table

            Number               1 Bore tube SPEC: OD x ID         Length MM
                    INCH               MM
1
0.031x0.0110.8x0.3










≤18500

20.039x0.0191x0.5
30.059x0.0241.5x0.6
4
0.079x0.039
2x1
5
0.100x0.0502.5x1.3
60.118x0.0593x1.5
70.118x0.0793x2
80.125x0.0633.2x1.6
90.157x0.0794x2
10
0.197x0.1185x3
110.236x0.1186x3
120.236x0.1576x4
13
0.250x0.1256.4x3.2
140.250x0.1576.4x4
150.250x0.1886.4x4.8
160.276x0.1977x5
17
0.315x0.1978x5
180.354x0.2369x6
19
0.374x0.2509.5x6.35
200.394x0.23610x6
21
0.433x0.27611x7
220.472x0.31512x8

Alumina ceramic performance index    (Notice of Correct in Leakeage Rate)

NO.

Property

Unit

Alumina

1

Al2O3

%

>99.3

2

SiO2

%

3

Density

g/cm3

3.88

4

Water absorption

%

0.01

5

Compressive strength

MPa

2300

6

20℃ leakage rates

TorrL/sec

>10-11=1.33322×10-12Pam3/sec

7

Twisting in high temperature

mm

0.2 allowed in 1600℃

8

Bonding in high temperature


not bonded in 1600℃

9

20—1000℃ coefficient of thermal expansion

mm.10-6/℃.m

8.2

10

Thermal conductivity

W/m.k

25

11

Electric insulation strength

KV/mm

20

12

20℃direct current

insulation resistance

Ohm/cm

1014

13

High-temperature

insulation resistance

1000℃ MΩ

≥0.08

1300℃ MΩ

≥0.02

14

Thermal shock resistance


4 times not cracked in 1550℃

15

Maximum working temperature

1800

16

Hardness

Mohs

9

17

Flexural strength

Mpa

350

Understanding the Mechanical Strength of Alumina Tubes

1. Flexural Strength

Flexural strength determines the tube's ability to resist bending or deformation under external forces. A higher flexural strength ensures better resistance to mechanical stresses.


2. Compressive Strength:

Alumina ceramic also possesses impressive compressive strength, making them capable of enduring heavy loads and pressure fluctuations in industrial settings.


3. Impact Resistance:

Alumina ceramic furnace tubes are engineered to have good impact resistance. They can withstand sudden impacts or shocks to a certain extent without fracturing, ensuring durability in dynamic operating conditions.


4. Thermal Shock Resistance:

Alumina ceramic exhibits excellent thermal shock resistance, allowing it to endure thermal cycling from extreme heat to rapid cooling without compromising its structural integrity.


5. Wear and Abrasion Resistance:

The hard surface of alumina ceramic reduces wear from abrasive particles or harsh environments, contributing to their long-term performance and minimal maintenance requirements.


6. Dimensional Stability:

Alumina ceramic's low coefficient of thermal expansion and high thermal conductivity contribute to its dimensional stability, ensuring consistent performance even under varying thermal conditions.

Our factory

Jinzhou Yunxing Industrial Ceramics Co., Ltd. was established in 2000,Factories are ISO9001 certified, Alumina ceramic products are SGS, DIN43725, 40680 certified.

The company's main products are: alumina ceramic tubes, alumina ceramic crucibles, alumina ceramic rods, alumina ceramic boats, alumina ceramic plates, alumina ceramic parts, etc.


Our products are widely used in Semiconductor, Medical, Aerospace, Scientific Research, Fluid Controlling, Food Processing, Automotive, Defense, Thermal Processing, Electronic and Electrical, Mineral Processing,Textile, Pulp and Paper, Glass Processing, Mechanical Engineering, etc.


Our has established a high standard of quality system and strict quality control process, each batch of products are subjected to strict quality inspection, and different packaging requirements for different products to ensure the safe transportation of products.In order to ensure quality, the company adopts advanced finished product inspection equipment and standardized Gage calibration;Including automatic inspection equipment, coordinate measuring instrument, etc.


The service philosophy of our is meeting quality requirement and customer satisfaction. When there are problems of order, Our quickly respond to the honestly situation to the customer and give the customer the solution in short time. This service concept has resulted in the long-term cooperation between our and customers.

Alumina

How to clean alumina tube

1. Begin by vacuuming the outside of the alumina tube to remove any debris or dust. 

2. Use a mild detergent and scrub the tube with a soft cloth or brush.

3. Use a mild abrasive or a toothbrush to scrub the inside of the alumina tube.

4. Rinse the inside and outside of the tube with warm water and a soft cloth. 

5. Use a clean, lint-free cloth to dry it.

Why choose Yunxing Industrial Ceramic

We provide solutions. Our turnkey approach means that we work closely with you from the very beginning, understanding your requirements, designing effective solutions, and delivering high-quality prototypes or final products on time and within budget.


Here are just a few reasons why partnering with us is the right choice:

Comprehensive Capabilities: From design to manufacturing, we handle everything under one roof, ensuring seamless communication and efficient project management.

Specialized Expertise: With 99.3% alumina ceramics at the heart of what we do, we are uniquely positioned to tackle high temperature resistance, corrosion resistance, projects with precision.

State-of-the-Art Equipment: Our investment in cutting-edge technology means that we can handle the most challenging and intricate tasks with ease.

FAQ

Q1. Can alumina tubes be reused?

A1. Yes, alumina tubes can indeed be reused after they've been used, as long as they remain undamaged and free from any contamination.


Q2. Is it safe to use alumina tubes in high-pressure applications?

A2. Indeed, alumina tubes are well-suited for high-pressure applications. 


Q3. Can alumina tubes withstand rapid temperature changes?

A3. Certainly, alumina tubes demonstrate commendable thermal shock resistance, enabling them to endure rapid temperature fluctuations without experiencing cracks or fractures.


Q4. Can alumina tubes be customized according to specific environments?

A4. Indeed, numerous suppliers provide the option to customize alumina tubes according to specific requirements. This customization may involve modifications to dimensions, form, and the incorporation of additional features, ensuring alignment with the precise needs of your application.

Alumina Tube

Certificate

Alumina Alumina Tube

Feedback

1. If you have any questions or questions, please contact us and we will communicate with you as soon as possible.

2. For any other satisfaction, please also feedback to us to make our service better and better.

Alumina

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