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Stainless Steel 4X7X2mm Hybrid Ceramic Reel Bearing

Stainless Steel 4X7X2mm Hybrid Ceramic Reel Bearing

Si3N4 Ceramics is a new type of non-metallic ceramic material. It is characterized by high strength at room temperature and high temperature, and the strength of Si3N4 can be maintained at 1200 ℃.

We hope to gradually develop into a leading and advantageous enterprise of high-end ceramic fiber textiles srs 075, ceramic fiber blanket installation procedure, ceramic heating element for smoking and become a strong enterprise with excellent performance in terms of enterprise scale and competitive ability. We inspire the sense of enterprise, responsibility and mission of employees, and enhance the sense of identity and belonging of employees to the enterprise. We are willing to cooperate with customers sincerely, establish a good business reputation, and uphold the enterprise spirit of 'sincere cooperation, customer first, absorption and development, innovation'. No matter in the product design and production or in the process of sales and service, we always adhere to customer-oriented and meet the requirements of customers with novel and unique products and high-quality and efficient service.

Product Description

Si3N4 Ceramics is a new type of non-metallic ceramic material.  One of the popular product of Si3N4 ceramics is Si3N4 tube. The tubes are mainly used in conjunction with thermocouples to protect them. It allows the thermocouple to operate properly in special environments and to resist high pressures and high flow rates.


Process Method

It uses silicon powder as raw material and is first made into the desired shape using the usual molding method. Initial nitriding is done in nitrogen at 1200°C, so that part of the silicon powder reacts with nitrogen to form silicon nitride. This way the whole body already has some strength. It is then nitrided a second time in a high-temperature furnace at 1350°C to 1450°C to react with the silicon nitride.


Specifications

Thermocouple protection tube: diameter Φ12-80mm, length 600-1800m


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Data Sheet

Items

Data

Sintering method

gas pressure sinter

Density

>3.2g/cm3

Si3N4 content

>92%

Flexural strength

>750Mpa

Compressive strength

>1500Mpa

Thermal conductivity (W/mk)

>22

Porosity

0

Thermal expansion coeff. (RT-1000℃)

3.2

Max temperature in air

1400℃

Hardness (HRA)

>92




Q&A

1. How long is the service time of Si3N4 ceramics?

It will be different as per your application. The general period is 25-30days.

2. What is the payment terms?

Our payment terms are T/T, L/C or as per your request.


The Stainless Steel 4X7X2mm Hybrid Ceramic Reel Bearing we offer is all carefully crafted by our professional technicians, and it is definitely highly cost-effective product. Our company advances with the strategy of 'technology-oriented, quality for survival, and reputation for development'. Based on the solemn commitment of customer satisfaction, we actively expand our business and provide all-round business to customers all over the world.

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