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Thermocouple Protection Tube

Thermocouple Protection Tube Introduction As the necessary means of measuring temperature, thermocouple protection tubes are applicable in metallurgical industry, such as aluminum, tin, lead, zinc etc. Charcteristics of silicon nitride riser tube Our Services Our material is imported from Japan...

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Product Details

Thermocouple Protection Tube Introduction

As the necessary means of measuring temperature, thermocouple protection tubes are applicable in metallurgical industry, such as aluminum, tin, lead, zinc etc.

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Charcteristics of silicon nitride riser tube

Item

Material

Unit

Silicon Nitride

Bulk density

g/cm3

3.2

Water absorption

%

0

Flexural strength

MPa

750

Young's Modulus of Elasticity

Gpa

280

Fracture Toughness

MPa・m 1/2

6.5

Poisson's Ratio

_

0.28

Vickers Hardness

Gpa

13

Coefficient of Linear Thermal Expansion

×10-6/℃

3.4

Thermal Conductivity

W/(m・k)

30

Specific Heat

J/(g・k)

0.65 

Our Services

Our material is imported  from Japan ,it has high 

1.Corrosion resistance
Outstanding corrosion resistance to molten aluminum alloys and flux contamination free.
2.Oxidation resistance
Oxidation rarely accurs at operating temperature(up to 800 C), which allows hi-cera to maintain stable performance for a long service life.
3.Thermal shock resistance
Superior thermal shock resistance allows hi-cera protection tubes to be inserted in molten aluminum directly with simple preheating.
4.Mechanical strength
The highest strength among ceramics allows a thin wall thickness.
5.Wear resistance
Excellent wear resistance gives degassing rotor shafts a long service life at a high speed revolution.

6.Acid ressitance
Exceptional acid resistance against acids such as hydrochloric acid and sulfuric acid permits removal of sticking matter on the surface with such acids.

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QUALITY ASSURANCCE

1.Strict contract auditing invloved all departments to assure the feasibility of each order.

2.Process design and validation before bulk production.

Strictly control on all raw and auxiliary materials, All raw materials reach the world advanced level.

3.On-site inspection to all processes, inspection record keep traceable for 3 years.

4.All inspectors are skilled with international certificates.

5.Qualified WPS and professional welders guarantee welding quality.100% inspection of finished sprouts before shipment.

 

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