High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes
High working temperature 99  al2o3  alumina ceramic furnace tubes

High working temperature 99 al2o3 alumina ceramic furnace tubes

Model NO.
As your requirement
Price:
USD 1.12-9.95 / pieces
Delivery:
FOB
Minimum order quantity:
100 pieces
Supply Ability:
500000 pieces / Month
Country of Origin:
Tianjin port
Quantity:
  • Place of Origin:CN
  • Type:Ceramic Tubes
  • Application:Industrial Ceramic
  • Material:Alumina Ceramic
  • Model Number:As your requirement
  • Brand Name:DKJL

High working temperature 99  al2o3  alumina ceramic furnace tubes 

 

Product Description

 

 

The main material of ceramic pipe is Aluminium Oxide( Al2O3). The purity varies from 60%-99.7%, density from 3.0-3.9g/cm3 and working temperature from 1000-1700°C. It offers a combination of superior mechanical strength and electrical properties, wear resistance and corrosion resistance.

 

 

ceramic tube's Features and advantages

 

1.Great mechanical strength

2.Low thermal conductivity

3.High heat resistance

4.High softening temperature

5.Small thermal expansion coefficient 

6.Good cold-resistance heat-resistance

7.Resistance to acid and alkali corrosion

8.Long service life

 

ceramic tube Technical Index

 

AL2O3% Composition

Density

(g/cm3)

Flexural Strength

(MPa)

Thermal Conductivity 
[w/(m.R)]

Dielectric Strength 
(KV/mm)

Working Temp.

60

3.0

205

16

10

1000°C

75

3.1

280

17

10

1250°C

80

3.3

215.7

17

10

1290°C

85

3.4

230

17

10

1350°C

92

3.6

312

18

10

1390°C

95

3.7

304

20

10

1480°C

99

3.81

340

34

10

1600°C

99.7

3.85

370

35

10

1700°C

 

There are 3 categories according to Alumina content and features:

Common ceramic pipe: Al2O3<75%;

High Alumina ceramic pipe:Al2O3 75%-90%;

Corundum pipe:Al2O3>90%.

 

 

Technical Index compairson

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

In order to decrease cost, Al2O3 rollers also can be used as ceramic pipe after cutting under certain condition , they are low cost and have accurate size.

 

Ceramic tube physical and chemical properties

 

Characteristics

Items

Types

VS-2000

S-2000

S-4000

S-6000

Physical

properties

Bulk density(g/cm3)

≥2.4

≥2.4

≥2.6

≥2.8

Apparent porosity(%)

20-23

20-25

15-20

10-15

Water absorption(%)

8-10

8-12

7-10

4-7

Bending strength

(25°C/1350°C,Mpa)

>55/35

>50/30

>60/50

>70/60

Thermal expansion coefficient

(*10(-6)/°C)(25~1000°C)

5.8-6.0

5.8-6.2

5.8-6.2

5.8-6.0

Thermal shock resistance(1300~25°C)

Good

Very good

Very good

Good

Working Temp(°C)

≤1200

≤1230

≤1300

≤1350

Composition

Al2O3(5)

74-76

74-76

72-74

78-80

SiO2(%)

20-22

20-22

19-21

14-16

Fe2O3(%)

≤0.3

≤0.3

≤0.3

≤0.2

Reference

loading

Φ50*3800mm

5.0

(1200°C)

4.5

(1230°C)

6.0

(1300°C)

7.5

(1350°C)

 

Application:

1.Through tube:

 

Inner liner tube and heating tube in electric furnace, heat treatment furnace and toughened furnace, chlorine pipe for production of alchlor and electric heating pipe in the tin trough in the production line of float glass.

 

2. Protector tube:Protector tube of thermocouple and thermometer, carbon determinator and combustion pipe of metallurgy, iron and steel, chemical analysis.

3.Insulation tube:Interval and insulation for wires of thermocouple. For specifications, there are single hole, double holes, four holes and multi-holes. For form, there are round and oval pipe.

pictures of ceramic tube

 ceramic tube product pictures

Packaging & Shipping

 

Package: wooden case.

We also provide OEM service, the package can be designed according to your requirements.

Shipping: By vessel or by train from any Chinese port, Samples can be delivered by International express.

972461590_969

package pictures of ceramic tube

ceramic tube package pictures2

 

Our Services

1.Timely response, 

Timely response to your inquiry, multiple choice recommendations based on your demand,quickly respond mails and provide solutions.

 

2.Free sample

Sample and trial order are accepted for the quality evaluation

 

3.Strict quality control

Arrange production on time and control quality strictly.

 

4.Shorter delivery time.

Book the earliest vessel or plane to guarantee the delivery time.

 

5.Professional Services

Provide all the detailed news and pictures from order to delivery;

Offer relative export documents and original certificate if needed;

Warm and considerable after-sale service 

 

 

 

Company Information

DKJL refractories exporting company is one of the most professional suppliers of refractories in China. Our main products are refractory and thermal insulation materials, heating elements, industrial ceramics. They are available in various sizes and shapes. Our products enjoy a good reputation for their excellent quality and service in domestic and international markets.   

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FAQ

1.How can I get your prompt quotation for ceramic tube ?

we can give you reply with quotation quickly if you kindly send the inquiry with following factors: working temperature, content of AL2O3, dimension (diameter*thickness* length), application and quantity.

 

2.What's the MOQ of the order?
No limit, we can offer the best suggestions and solutions according to your condition

 

3.Which payment terms can you accept?
T/T,LC,Western Union,moneygram are available for us.

 

4. After an order is placed, when to deliver?
15-25days after confirming the order.

5. Does your company accept customization?
We accept OEM service.

6. How to solve the quality problems?
If the products don’t conform to customer’s samples or have quality problems, our company will be responsible for it.

 

7. What is the HS code?

The HS code is 69060000.

 

8. How can I contact you?

-bjdkjl.jpg

 

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