High Quality Refractory Al2O3 Ceramic Pipes

Product Details
Customization: Available
Feature: Long Time Materials
Refractoriness (℃): 1580< Refractoriness< 1770
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  • High Quality Refractory Al2O3 Ceramic Pipes
  • High Quality Refractory Al2O3 Ceramic Pipes
  • High Quality Refractory Al2O3 Ceramic Pipes
  • High Quality Refractory Al2O3 Ceramic Pipes
  • High Quality Refractory Al2O3 Ceramic Pipes
  • High Quality Refractory Al2O3 Ceramic Pipes
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Basic Info.

Model NO.
DK-cap
Shape
Pipe
Application
Refractory
Used Temperature
>1200c
Density
>2.4
Type
Refractory Material
Material
Alumina Block
Transport Package
wooden case
Specification
As per your request
Trademark
DKJL
Origin
China
HS Code
69060000
Production Capacity
20000PCS Per Month

Product Description

High Quality Refractory Al2o3 Ceramic Pipes

Description

 
The main material of ceramic pipe is Aluminium OxideAl2O3). The purity varies from 60%-99.7%, density from 3.0-3.9g/cm3, and working temperature from 1000-1700ºCIt offers a combination of superior mechanical strength and electrical properties, wear resistance and corrosion resistance. 
 
Features and advantage 
Great mechanical strength
Low thermal conductivity
High heat resistance 
High softening temperature
Small thermal expansion coefficient 
Good cold-resistance heat-resistance
Resistance to acid and alkali corrosion
Long service life 
 
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 accorind to Alumina content and features: Common ceramic pipe, Al2O3<75%; High Alumina ceramic pipe, Al2O3 75%-90%; Corundum pipe:Al2O3>90%. 
After comparison,their features are as below:
 
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 roller also can be used as ceramic pipe after cutting under certain condition , they are low cost and has accurate size. 
 
Ceramic rod 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
(25ºC/1350ºC,Mpa)
>55/35 >50/30 >60/50 >70/60
Thermal expansion coefficient
(*10(-6)/ ºC)(25~1000ºC)
5.8-6.0 5.8-6.2 5.8-6.2 5.8-6.0
Thermal shock resistance(1300~25ºC) Good Very good Very good Good
Working Temp(ºC) ≤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
(1200ºC)
4.5
(1230ºC)
6.0
(1300ºC)
7.5
(1350ºC)
 
High Quality Refractory Al2O3 Ceramic Pipes
 
Application:
 
1.Through pipe:
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 pipe:
Protector tube of thermocouple() and thermometer(), carbon determinator ()and combustion pipe() of metallurgy, iron and steel, chemical analysis.
 
3.Insulation pipe 
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 pipes.
 
Packaging&Shipping
 
Package: wooden case.  
We also received 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.
 High Quality Refractory Al2O3 Ceramic Pipes
Our Service:
 
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 is 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, and 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.
High Quality Refractory Al2O3 Ceramic Pipes High Quality Refractory Al2O3 Ceramic Pipes
High Quality Refractory Al2O3 Ceramic Pipes High Quality Refractory Al2O3 Ceramic Pipes


 
FAQ:
1:.How can I get your prompt quotation?
A: 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 to make compensation for it based on enough evidence.
 
7. What is the HS code?
The HS code i69060000
 
8. How can I contact you?
 Welcome your inquiry and expect to provide satisfactory products and services for you.



 

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