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Wear resistant alumina tube and pipe, structural parts. High alumina tube

This tube production is made by high purity alumiun poder through Isostatic pressing process. With high quality of density, no bending and excellent straightness, wear-resistant, corrosion-resistant. Widly used in many kinds of industrial furnace and kiln, mine, electricity, chemistry, machine and equipment.

Product introduction

diameter Ø10mm – 800 mm  x  length 10mm – 6000 mm


Technical Data:

    项目Item

85%

96%

99%

密度Density  g/cm3

3 .3

3 .65

3 .9

吸水率water absorption %

0.01%

0.01%

0

烧结温度Sinter temperature

1650

1700

1900

硬度hardness HV

1500

1700

1700

抗折强度bend-resistant strength kgf/cm2

2000

3000

3500

抗压强度Pressure strength kgf/cm2

10000

25000

30000

断裂韧性Fracture tenacity

Map . m3/2

-

3-4

4

最高使用温度 max use Temperature

1450

1600

1800

热膨胀系数 Thermal expansion coefficient

6 x 10-6

8 x 10-6

8 x 10-6

热震性

Thermal shock resistance

Excellent

Excellent

Excellent

热传导率

Thermal conductivity

W/m .k(25-300)

15    10

25     14

31.4    15.9

20

Unit volume resistivity 100

300

cm

1012

1012—1013

 

109

1012

1012—1013

 

1010

1012

1012—1013

 

1012

绝缘破坏强度

Insulation damage strength

(kv/mm)

15

18

18

介电常数

Permittivity

100MHz(E)

8 .3

9 .5

10

 

Application:

Metallurgy aluminium smelting.

Industial furnace and kiln

Electricity

Chemical

Mine

Steel plant

Machine and equipment