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Overview of Refractory Ceramic Alumina Ceramic Flange Pin
Refractory Ceramic Alumina Ceramic Flange Pin is precision-engineered components made from high-purity aluminum oxide (Al₂O₃), offering superior mechanical strength, thermal stability, and electrical insulation. These pins are widely used in electronics, semiconductor equipment, medical devices, and industrial machinery where extreme durability and precision are required. With excellent wear and corrosion resistance, they ensure long-lasting performance in demanding environments.
Features of Refractory Ceramic Alumina Ceramic Flange Pin
Extreme Hardness & Wear Resistance – Ideal for high-friction applications
High-Temperature Stability – Withstands up to 1600°C without degradation
Excellent Electrical Insulation – Perfect for electronic and semiconductor uses
Chemical & Corrosion Resistance – Resists acids, alkalis, and harsh chemicals
Precision Machining – Tight tolerances for critical applications

(Refractory Ceramic Alumina Ceramic Flange Pin)
Specifications of Refractory Ceramic Alumina Ceramic Flange Pin
These flange pins use high-purity alumina ceramic. This material offers great hardness and strength. It resists wear exceptionally well. These properties make the pins long-lasting in tough conditions. They handle high temperatures easily. The pins work reliably up to 1600°C (2912°F). This makes them suitable for furnaces and kilns. They also resist sudden temperature changes well. Thermal shock won’t crack them easily.
Electrical insulation is another key benefit. Alumina ceramic does not conduct electricity. This prevents electrical shorts. It’s safe for high-voltage environments. The material also resists chemical attack. Acids and alkalis won’t damage it. This is important in chemical processing plants. The pins stay stable in corrosive atmospheres.
You get these pins in standard sizes. Common diameters range from 3mm to 20mm. Lengths vary from 10mm to 200mm. Custom sizes are often available too. The flange design provides a positive stop. This prevents the pin from pushing too far through a hole. It ensures secure positioning. The flange diameter is larger than the pin shaft. This creates a reliable shoulder.
Surface finish is smooth. This minimizes friction during installation. It also helps prevent wear on mating parts. Precision grinding ensures tight dimensional tolerances. This guarantees consistent performance. The pins fit accurately into assemblies. They are ready for demanding industrial applications.
These pins are ideal for high-wear locations. Use them in pumps and valves. They work well in high-temperature machinery. They are common in semiconductor manufacturing equipment. They are found in power generation plants. Anywhere extreme conditions exist, these pins perform. They offer a durable, reliable solution. Their properties reduce downtime and maintenance costs.

(Refractory Ceramic Alumina Ceramic Flange Pin)
Applications of Refractory Ceramic Alumina Ceramic Flange Pin
Refractory ceramic alumina flange pins handle difficult conditions routine steel parts can not. They’re made from really pure aluminum oxide. This provides unique capacities. These pins resist extreme warmth without melting or weakening. They stay strong in heaters, kilns, or locations where temperature levels get dangerously high. Metal pins would certainly fail rapidly there.
These pins likewise combat chemicals. Acids, antacid, and other extreme things do not harm them conveniently. This makes alumina ceramic flange pins ideal inside chemical plants or reactors. They will not wear away like steel pins. The material is very hard also. It withstands wear from friction and abrasion better than steel. This suggests they last a lot longer where parts rub together.
Installation is uncomplicated. They fit basic flange setups. Their dimensional security is key. They maintain their shape and size even under intense warmth biking. This stops leakages brought on by components contorting. You obtain a dependable, resilient seal. The pins do not carry out electricity. This adds safety in atmospheres with electrical dangers.
Major sectors rely upon these pins. Nuclear power plant utilize them in high-temperature piping and boiler systems. Steel mills and factories mount them in heaters and dealing with tools. Chemical handling plants utilize them for pumps, shutoffs, and reactors handling corrosive fluids. Semiconductor producing uses them where purity and heat resistance are critical. They work well in pumps relocating hot fluids or unpleasant slurries.
Company Profile
Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.
Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods
T/T, Western Union, Paypal, Credit Card etc.
Shipment Methods
By air, by sea, by express, as customers request.
5 FAQs of Refractory Ceramic Alumina Ceramic Flange Pin
Here are 5 FAQs about Refractatory Ceramic Alumina Ceramic Flange Pins:
What are Alumina Ceramic Flange Pins?
These pins are strong, hard rods made from alumina ceramic. People use them to align and secure flanges in high-temperature piping systems. They replace metal pins because ceramic handles heat much better. The pins fit precisely into holes on the flange faces.
Why use ceramic pins instead of metal?
The main reason is heat. Alumina ceramic pins resist extremely high temperatures. Metal pins can soften, warp, or even melt under intense heat. Ceramic pins stay hard and keep their shape. This prevents leaks and flange failures in hot environments. Ceramic also resists wear and corrosion better than many metals.
How hot can these flange pins get?
Alumina ceramic flange pins work well in continuous temperatures above 1800°F (1000°C). They easily handle conditions that destroy standard metal pins. The exact limit depends on the specific alumina grade used. Always check the manufacturer’s data for your exact application temperature.
Do ceramic pins resist chemicals?
Yes, they do. Alumina ceramic has very good chemical resistance. It stands up well to many acids, alkalis, and solvents. This makes these pins suitable for harsh chemical processing plants. Metal pins often corrode quickly in such environments. Ceramic avoids this corrosion problem.
How are these pins installed?
Installation is straightforward. The pins press-fit into pre-drilled holes in the flange faces. You need holes sized correctly for an interference fit. Sometimes pins are slightly tapered for easier insertion and a tight hold. Proper installation ensures the flanges stay perfectly aligned under pressure and vibration.

(Refractory Ceramic Alumina Ceramic Flange Pin)
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