Non-conductive 99 porcelain wear-resistant positioning pin alumina ceramic

MOQ： 1000piece
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Payment Terms	T/T, L/C
Supply Ability	100000 per month
Packaging Details	carton
Name	Positioning pin
Material	Alumina ceramic
Features	Long service life
Advantage	High hardness non-conductive
Brand	Weite ceramics
Color	white
Application	Rotor and stator in engine
Brand Name	Weite ceramics
Certification	ISO9001
Place of Origin	Jiangsu, China

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Product Specification


Payment Terms	T/T, L/C	Supply Ability	100000 per month
Packaging Details	carton	Name	Positioning pin
Material	Alumina ceramic	Features	Long service life
Advantage	High hardness non-conductive	Brand	Weite ceramics
Color	white	Application	Rotor and stator in engine
Brand Name	Weite ceramics	Certification	ISO9001
Place of Origin	Jiangsu, China
High Light	95 Porcelain Wear Resistant Ceramics ，24.3mm Wear Resistant Ceramics ，24.3mm high alumina ceramic

99 Porcelain Positioning Pin High Hardness Non-Conductive

Product Overview

The ceramic positioning pin has extremely strong corrosion resistance, and can also be used in strong acid, strong alkali and sea water. At 1100 ℃, the strength and hardness are almost unchanged. Can also be used in non-magnetic and magnetic fields. Electrical insulation. The density is 3.25---3.28g/cm3, light weight, about 60% lighter than the steel ball, which greatly reduces the centrifugal force on the channel when the bearing rotates at high speed and reduces wear. High rigidity, high strength, its hardness is twice as high as bearing steel, and the elastic modulus is about 1/3 higher. The coefficient of linear expansion is 3.2×10-6/K, which is almost 1/4 of the bearing steel, and can withstand the rapid changes in temperature.

Various styles for you to choose:

Product parameter table

Material Project				Alumina AL203	Silicon carbide sic	Silicon nitride sin	Silicon nitride sin
Color				Ivory	black	black	Milky white, gray black
Content(%)				99.5	……	……	……
Main features				Excellent high frequency electrical insulation Good wear resistance preservative Strong High hardness	Good high temperature strength High thermal conductivity Strong alkali resistance Wear-resistant Lightweight	Good high temperature strength Strong impact resistance Strong corrosion resistance Lightweight	High strength and high impact resistance Good self-lubricating Strong alkali resistance Smooth surface Good toughness
The main purpose				Wear parts High temperature parts Corrosion resistant parts	Machinery Seal Sliding parts High temperature parts	Molten metal parts Metal plasticity Processed parts	Industrial knives Pump parts Wear parts
Density			Kg/m³	3.9*10	3.16*10	3.3*10	6.0*10
Mechanical behavior	Vickers hardness		Gpa	16.0	23.0	14.0	13.2	12.7
	Flexural strength		Mpa	360	450	1020	1000	1470
	Compressive strength		Mpa	2350	……	……	……	……
	Fracture toughness		Mpa	4	2-3	7	4-5	4-5
Thermal performance	Linear expansion coefficient	40-400℃	×10^-5/℃	7.2	3.7	2.8	10.5	10.8
	Linear expansion coefficient	40-800℃	×10^-5/℃	8.0	4.4	3.3	11.0	11.3
	Thermal conductivity		W/(m·k)	32	200	27	3	3
	Specific heat		J/(kg·k)	0.78*10	0.67*10	0.65*10	0.46*10	0.46*10
	Thermal shock resistance (in water)		℃	250	……	＞800	300	350
Electrical performance	Dielectric strength		V/m	15*10⁵	……	13*10⁵	11*10⁵	……
	Volume resistance(20℃)		Ω·cm	＞10¹⁴	10⁸	10¹⁴	10¹³	……
	Dielectric constant		……	9.6	……	9.9	33	……
	Loss factor		×10^-4	10	……	……	520	……

Product advantages

Performance characteristics:
1. The ceramic positioning pin is similar to the ordinary welding positioning pin, but it is made of super-hard silicon nitride ceramic material. The special physical and chemical properties of ceramic materials determine certain special properties of silicon nitride positioning pins. For example, high wear resistance, high hardness, non-conductive, non-magnetic, non-stick welding slag and other excellent properties.
2. Below I will briefly introduce the performance of ceramic materials:
High hardness: the hardness of zirconia is second only to diamond
High wear resistance: High hardness and good red hardness determine that the zirconia positioning pin has excellent wear resistance
High cost performance: the service life of zirconia positioning pins is several times that of ordinary positioning pins

Applications

Ceramic materials such as zirconia and silicon nitride are wear-resistant at high temperatures, used as mechanical parts, as rotors and stators in engines; hot-pressed piston crowns, reaction sintered burners, spark plugs, cylinder liners and other precision parts; heat-resistant Good shock resistance, used as thermocouple casing, ceramic positioning pin, casting mold, crucible, furnace, burner, heating element fixture, furnace lining, aluminum liquid conduit, valve, etc.; good corrosion resistance, used as ball valve and seal in chemical industry Rings, filters, heat exchanger parts, etc.; good wear resistance, used as bearing balls, rollers, seat rings, high temperature bolts, plunger pumps, sealing materials, etc. in the mechanical industry; used in electronics, military, and nuclear industries Used as circuit substrate, film capacitor, high temperature insulator, radar radome, isolator, etc.
The company can customize all kinds of non-standard special-shaped ceramic positioning pins and special-purpose special-shaped ceramic positioning pins according to the customer's use environment, use requirements and required material properties.