Silicon nitride welding custom ceramic positioning pins

MOQ： 1000piece
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Supply Ability	100000 per month
Packaging Details	carton
Material	Silicon nitride positioning pin
colour	Dark gray\black
Features	High thermal shock resistance
Relative density	99%
Hardness (HV)	14-16
Fracture toughness	6-7(MPa•m1/2)
Thermal shock resistance ΔT℃	1300
Application	Aerospace and military industry
Brand Name	Weite ceramics
Certification	ISO9001
Place of Origin	Jiangsu, China

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Product Specification


Supply Ability	100000 per month	Packaging Details	carton
Material	Silicon nitride positioning pin	colour	Dark gray\black
Features	High thermal shock resistance	Relative density	99%
Hardness (HV)	14-16	Fracture toughness	6-7(MPa•m1/2)
Thermal shock resistance ΔT℃	1300	Application	Aerospace and military industry
Brand Name	Weite ceramics	Certification	ISO9001
Place of Origin	Jiangsu, China
High Light	Welding Custom Ceramic Pins ，Si3N4 Custom Ceramic Pins

Silicon Nitride Welding Ceramic Positioning Pin

Product Overview

Silicon nitride ceramics have high strength, especially high-purity silicon nitride, which is one of the hardest substances in the world.

Very strong corrosion resistance, can be used in strong acids and alkalis, soluble in hydrofluoric acid but does not react with other organic acids

Performance:
Uses of shaped ceramic positioning pins: automobiles, clutches, engines, universal joints, axles, motorcycles, crankshafts, connecting rods, loaders, excavators, power tools, pneumatic tools, construction machinery, etc.
Classification of special-shaped ceramic positioning pins: fixed positioning pins, replaceable positioning pins, tapered positioning pins, trimmed positioning pins, standard diamond shaped positioning pins.
Ceramic positioning pin material: zirconia and alumina, silicon nitride ceramic material.

We can customize various types of non-standard special-shaped ceramic positioning pins and special-purpose special-shaped ceramic positioning pins according to customers' use environment, use requirements and required material properties.

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 features

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 positioning pins can be applied to accessories for special purpose parts of high temperature resistance, corrosion resistance, wear resistance, and high voltage resistance used in industries such as electronics, machinery, chemical industry, metallurgy, textiles, and power.
After the positioning pin is worn, it will produce a blocking effect when loading and unloading, causing the positioning hole of the part to be hooked. In order to ensure the accuracy of the relative position between the two parts after the certificate is installed, cylindrical pins or tapered pins are often used for positioning, so the requirements for the pins and pin holes are high. In order to facilitate the processing of pin holes and pins, as far as possible, the pin holes are made as through holes as much as poss

Product Picture

Special-shaped ceramic positioning pins have extremely strong corrosion resistance, and can also be used in strong acids, strong alkalis, and seawater. At 1100 ℃, the strength and hardness are almost unchanged. Can also be used in non-magnetic and magnetic fields.