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Si3N4 Silicon Nitride Ceramic Dowel Pin For Welding Nut

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Si3N4 Silicon Nitride Ceramic Dowel Pin For Welding Nut

Brand Name : BLM

Model Number : BLM-S

Certification : ISO

Place of Origin : Jiangsu,China

MOQ : 100kgs

Price : Negtation

Payment Terms : T/T

Supply Ability : 5 tons per month

Delivery Time : 25days

Packaging Details : Packing with wooden box

Name : Si3N4 Silicon Nitride Ceramic Dowel Pin

Application : Industrial ceramic

Material : Silicon nitride ceramic

Product name : Ceramic dowel pin

Color : Dark grey to black

Feature : High hardness

Advantage : Insulation etc.

Thermal shock resistance : 750

Dielectric loss : 3.8*10-4HMZ

Elastic Modulus : 320

Place of origin : Jiangsu,China

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Ceramic Nitride Silicone Si3N4 Pin For Welding Nut

1 . Description:

Silicon nitride ceramics have good tribological properties and excellent fracture toughness, which makes it be predestined for applications as balls and rolling elements for light and extremely precise bearings, heavy-duty ceramic forming tools and automotive components subject to high stress. And the good thermal shock resistance and high temperature resistance is exploited in welding processes.

Si3N4 Silicon Nitride Ceramic Dowel Pin For Welding Nut

2 . Advantages of silicon nitride ceramic dowel pin

High hardness and wear resistance, both impingement and frictional modes

Superior thermal shock resistance

Low thermal expansion
Electrical insulator
Good oxidation resistance
Good chemical corrosion resistance
Wear resistant
High stiffness

3 . Applications of silicon nitride ceramic

✔ Welding pins, jigs, fixtures and nozzles

✔ Turbine blades

✔ Bearing balls and rollers
✔ Cutting tools
✔ Valves, turbocharger rotors for engines
✔ Diesel engine glow plugs
✔ Molten metal handling
✔ Thermocouple sheaths

Properties of silicon nitride ceramic

Properties	Condition	Units	Silicon Nitride(Si3N4)
Density		g/cm^3	3.21
Flexural Strength (MOR)	20 ℃	Mpa	800
Elastic(Young's) Modulus	20℃	GPa (psi x 10^6)	320
Compressive Strength	20℃	MPa (psi x 10^3)	3000
Hardness(Vickers)		GPa	16
Fracture Toughness	K(I c)	Mpa m^1/2	6.5
Thermal Conductivity	20℃	W/m °K	28
Coefficient of Thermal Expansion	25-1000 ℃	1X 10^-6 /℃	3.5
Specific Heat	100 ℃	J/kg*K	740
Dielectric Strength	6.35mm	ac-kV/mm (ac V/mil)	8.6
Dielectric Constant	25 ℃	1 MHz	8.15
Volume Resistivity	25 ℃	ohm-cm	10^14

Si3N4 Silicon Nitride Ceramic Dowel Pin For Welding Nut

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Si3N4 Silicon Nitride Ceramic Dowel Pin For Welding Nut

Si3N4 Silicon Nitride Ceramic Dowel Pin For Welding Nut

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