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Silicon Nitride Riser Tube

Silicon Nitride Riser Tube

Silicon Nitride Ceramic Riser tube introduction Silicon nitride is a man made compound synthesized through several different chemical reaction methods.The material is light grey with polished to a very smooth reflective surface,giving parts with a striking appearance. It has the advantage with...

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Silicon Nitride Ceramic Riser tube introduction

Silicon nitride is a man made compound synthesized  through several different chemical reaction methods.The material is light grey with polished to a very smooth reflective surface,giving parts with a striking appearance. It has the advantage with high performance for automotive engine wear parts, very high quality bodies and high reliability.

It is available today and can be used in many sever mechanical, thermal and wear applications such as valves and cam followers, proven effective and the ceramics feasible in engines and turbochargers.

Silicon Nitride Riser tube For Low Pressure Casting Technical parameters

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・m1/2

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

Volume   Resistivity

Ω・cm

>1014

Heart   Shock Resistance

800

Maximum   Available Tempereture

1200

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Quality Assurancce

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

Process design and validation before bulk production.

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

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

All inspectors are skilled with international certificates.

Qualified WPS and professional welders guarantee welding quality.

100% inspection of finished sprouts before shipment.

Advanced and complete testing and inspection equipment: NDT, metal Microscope, impact tester, hardness tester...

Regular training for inspection staff

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Production process

A:)Raw materials

B:) deironing

C:)Mould

D:)Pressing

E:)drying

F:)Sintering

G:)Coating

H:)Checking

I:)Assambling

J:)Checking again

Our Advantage

1.We has two factories of 50000 square meters and totally 300 employees to promise the Silicon Carbide and Silicon Nitride Ceramics In Stock best quality control;

2.According customers’ demand to design special size;

3.Our motivation is --- customers’ satisfaction smile;

4.Our believing is --- pay attention to every detail;

5.Our wish is ----perfect co-operation.

Our service

1.Provide the technical design and solutions;

2.New plant construction guidance;

3.Designing and manufacturing of non-standard equipment;

4.Professional technical training and guidance on site according to the contract;

5.Supply accessories at any time;

6.Tele-technical consulting and services;

7.Other special technical service according to client’s requirements.

Customer questions

1. 24-hour Online service

Please feel free to contact us. Our sales team will provide you with 24 hours better pre-sale,

2. Competitive price

All of our products are supplied directly from factory. So the price is very competitive.

3. Warranty

All products have a one-two years warranty.

4. Distributor

The company now recruit distributor and agent all over the world. Prompt delivery and professional after-sales service are our priority, which makes us to be your reliable partner.


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