SC0911 Silicon Nitride Welding Rod

Catalog No. SC0911
Size Diameter: 1~20mm
Material Si3N4 Ceramic
Purity 97%~99%
Density 3.44 g/cm3

Silicon Nitride Welding Rod is a commonly used ceramic material in the metallurgical industry. SAM can supply full ceramic parts made by Silicon Nitride. Feel free to contact us for customized products.

Related Products: Silicon Nitride Protection Tubes for Thermocouples, Silicon Nitride Nozzles, Nozzle Covers, Forming Rollers, Silicon Nitride Bearings Rollers, Silicon Nitride Welding Pins.

 

Silicon Nitride Welding Rod Description

Silicon Nitride Welding Rod is a commonly used ceramic material in the metallurgical industry due to the even performance at high temperatures. Silicon Nitride Welding Rod has excellent thermal shock resistance due to the microstructure. The creep and oxidation resistance of Si3N4 is also superior, its low thermal conductivity and high wear resistance also make it an outstanding material that can withstand conditions of most industrial applications.

There are 5 different methods to produce Silicon Nitride Welding Rod including SRBSN, GPSN, HPSN, HIP-SN, and RBSN, make the application and working material different slightly. In these 5 methods of production, GPSN is most commonly used to produce Silicon Nitride components.

silicon-nitride-rod

 

Silicon Nitride Welding Rod Specifications

Property   Unit
Color Grey  
Density 3.21 g/cm3
Compressive Strength 3000 MPa
Flexural Strength 800 MPa
Weibull-Modulus m 15  
Fracture Toughness KIc 6.5 MPa m^1/2
Young‘s Modulus E 320 GPa
Poisson Ratio 0.28  
Hardness Vickers (HV 1) 16 GPa
Thermal Properties
Maximum Temperature
Inert Gas 1200 °C
Air 1100 °C
Thermal Conductivity 25  
@ 20°C 28 W/mK
@ 1000 16 W/mK
Thermal Expansion
20–100°C 2 10-6/K
20–1000°C 3.5 10-6/K
Thermal Shock parameter R1 600 K
Thermal Shock parameter R2 15 W/mm
Electrical Properties
Resistivity at 20°C 10^12 Ωcm
Resistivity at 800°C 10^7 Ωcm
Dielectric constant 6 1 MHz

 

Silicon Nitride Welding Rod Applications

Silicon Nitride Welding Rod Welding Rod is an integral component in typical high-frequency electric resistance welding (HF-ERW) systems. It has the dual function of applying pressure and conveying the workpiece through the welding machine.

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