Machined Alumina Ceramic Products

Machined alumina ceramic products are the main product .We are making High quality alumina tubes, Diameter from 1-120mm, length from 10-2000mm. .99.7% alumina is the main material, 85% and 95% alumina tubes also available.Other material like Mullite,Zirconia, Silicon Carbide&com

Featured Products


Machined alumina ceramic products are the main product .We are making High quality alumina tubes, Diameter from 1-120mm, length from 10-2000mm. .
99.7% alumina is the main material, 85% and 95% alumina tubes also available.
Other material like Mullite,Zirconia, Silicon Carbide, Silicon Nitride bonded Silicon Carbide is also available.
 
Features :
 
1. High quality: Max working temperature 1800C, high abrasive resistance.
2. Various sizes for your choose, diameter from 1-120mm, length from 10-2000mm
3. Various processing methods make right tubes for different usage, including extruding, casting, pressing etc.
4. Tubes can be grinding, drilling holes etc according to the requirements of customers.
5. Large quantity in stock can provide fast delivery and very competitive prices.
 

                               Furnace Tube

Diameter OD/ID (mm)

30/25

40/34

50/44

60/53

70/63

80/70

85/75

90/80

100/90

110/100

Max Length
(mm)

2000

2000

2000

2000

2000

1700

1600

1600

1500

1200

                              Thermocouple Protection Tube

Diameter OD/ID (mm)

5/3

6/4

8/5

10/7

12/8

14/10

15/10

16/12

17/14

20/16

25/19

Max Length
(mm)

300

1000

1600

2000

2000

2000

2000

2000

2000

2000

2000

                                  Thermocouple Insulator

 

Single Bore

Double Bores

Four Bores

Diameter OD/ID (mm)

OD1-12
ID0.5-8

OD1-12
ID0.2-4

OD1.6-12
ID0.35-3.5

Max Length
(mm)

2000

2000

2000

Technical data of  alumina tubes.
 

Al2O3 content
%

70-75

85

95

99.7

Density
(g/cm3)

3.0

3.4

3.7

3.9

Bending Strength
(Mpa)

85N/MM2

300

364

450

    Expansion
(X10-6/°C)(25-800°C)

6

7

7.6

8

Thermal Conductivity
(W/(m.R))

17

18

20

35

Dielectric Strength
(kv/mm)

9

10

11

12

Working Temperature
°C (Long time use)

1300

1400

1600

1750

Water Absorption
%

5

<0.2

<0.2

<0.1-0.2


 

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