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Silicon Carbide Mechanical Seal Rings And Bearings

Silicon Carbide mechanical seal rings and bearings Admin Edit

Min. Order: 1 Piece/Pieces
Trade Term: FOB,CFR,CIF,FCA,EXW
Payment Terms: T/T
Place of Origin: Zhejiang, China (Mainland)
Means of Transport: Ocean, Air, Land
Production Capacity: 10 tons per year
Packing: Cartons
Delivery Date: Within 30 days for... Standard or Nonstandard: Nonstandard
Style: Mechanical Seal Material: RSIC, SSIC, SIC+C
Brand Name: DPM Color: Grey
Size: 10-400mm Hardness: HRA>90
Feature: Good mechanical strength but brittle

MS2010 Silicon Carbide Seals and Bearings

Silicon Carbide is a kind of engineering ceramic material with low density which offers many great mechanical properties in seals and bearings application.
Advantages: 
1. Good self-lubrication ability.

2. Excellent anti-corrosion ability.

3. Exceptional wear resistance and abrasion resistance.

4. Low thermo expansion coefficient.

5. Excellent thermo conduction ability and high temperature resistance. 
6. Good mechanical strength and extreme hardness. 


Availability:
1. Reaction Bonded Silicon Carbide(RB-SiC): It is a material which has good chemical resistance and good wear resistance. It is an economic choice for normal tribological applications.

Silicon Carbide mechanical seal rings and bearingsRSiC microstructure


2. Pressureless Sintered Silicon Carbide (S-SiC): Compare to RBSiC, it has higher density, better chemical resistance, wear resistance and better mechanical property. It is ideal for the application of highly aggressive media and those media which contains hard particles.

Silicon Carbide mechanical seal rings and bearingsSSiC microstructure


3. Sintered Silicon Carbide with Free Graphite (S-SiC+C): It is a kind of material which uses free Graphite content to improve the self-lubrication and thermo shock resistance of SSiC. This material is ideal for HTC(hightemperature corrosion) and high temperature abrasion applications, where impregnated Carbon Graphite is not effective.

Silicon Carbide mechanical seal rings and bearingsSSiC+C microstructure


Application:
1. Mechanical seal tribological face.
2. Shaft and bearing of magnetic drive pump.
3. Thrust bearing requiring exceptional wear resistance.


Parameter

Unit

RBSIC

SSIC

SSIC+C

Density

g/cm3

≥3.00

3.10-3.15

2.90-2.95

Porosity

%

≤0.3

<0.2

n/a

SiC content

%

>85

≥99

≥90

Si content

%

≤15

0.1

0.1

Heat expansion rate

1/ºC

4.5×10-6

4.3x10-6

4.3x10-6

Bending strength

MPa

≥350

450

200

Compressive strength

MPa

≥2200

3900

2200

Elasticity modulus

GPa

≥400

410

370

Application Temperature

ºC

1300

1600

1100

Hardness

HRA

92.0

94.0

85.0

Heat conduction

W/(m·K)

161

146

142

Poisson ratio


0.15

0.14

0.14




Silicon Carbide mechanical products manufacturing:

Silicon Carbide mechanical seal rings and bearings


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