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{"title":"Silicon Nitride Heater Protection Tube with 1450\u2103 Max Service Temp, High Thermal","imgUrl":"https:\/\/img.chinax.com\/nimg\/7f\/66\/85778a0f8003f0719ae90d0d967b-200x200-1\/silicon_nitride_heater_protection_tube_with_1450_e2_84_83_max_service_temp_2c_high_thermal_shock_resistance_2c_and_non_reactive_wi.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"200-500 yuan\/kg","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram"}}
{"title":"High Thermal Shock Resistance Silicon Nitride Sealing Pipe and Si3N4 Sealing","imgUrl":"https:\/\/img.chinax.com\/nimg\/25\/f1\/1b0487ab0750a4af2cccb3e7883e-200x200-1\/high_thermal_shock_resistance_silicon_nitride_sealing_pipe_and_si3n4_sealing_valve_with_high_density_for_low_pressure_die_casting.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"200-500 yuan\/kg","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram"}}
{"title":"Silicon Nitride Pouring Spoon and Crucible with Ultimate Thermal Shock","imgUrl":"https:\/\/img.chinax.com\/nimg\/f7\/be\/f20468adce41fff6ac66a57916be-200x200-1\/silicon_nitride_pouring_spoon_and_crucible_with_ultimate_thermal_shock_resistance_and_superior_non_stick_aluminum_properties_for_t.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"200-500 yuan\/kg","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram"}}
{"title":"Black High Thermal Shock Resistance Customizable Silicon Nitride Ceramic for Non","imgUrl":"https:\/\/img.chinax.com\/nimg\/b9\/c2\/81e787189b6a8899dc6bb09fcffe-200x200-1\/black_high_thermal_shock_resistance_customizable_silicon_nitride_ceramic_for_non_standard_structural_parts.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"200-500 yuan\/kg","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram"}}
{"title":"Gas Pressure Sintering Silicon Nitride Forming Rollers with High Fracture","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/22\/c7365caade4b3b1f4a29aa1bc9aa-200x200-1\/gas_pressure_sintering_silicon_nitride_forming_rollers_with_high_fracture_toughness_and_thermal_shock_resistance_in_customizable_s.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"200-500 yuan\/kg","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram"}}
Our silicon nitride custom components are widely adopted and highly praised in the casting and smelting industries, thanks to their outstanding mechanical and thermal properties. They deliver reliable performance in demanding molten metal environments, contributing to improved process efficiency and product quality.
Customization Services
We offer tailored solutions for a variety of special-shaped parts to meet your unique application requirements. Whether you need a specific geometry, size, or performance characteristic, our engineering team can design and manufacture components that integrate seamlessly with your equipment.
Main Product Range
Eddy Current Pumps - For efficient molten metal circulation and mixing
Liner Tubes / Thermocouple Protection Tubes - Provide accurate temperature measurement and long service life
Stopper Rods - Ensure precise flow control in continuous casting
Aluminum Dipping / Immersion Parts (e.g., hooks) - Resistant to corrosion and thermal shock during aluminum treatment
Crucibles - High-purity crucibles for melting and holding non-ferrous metals
Baffles / Dams - Used in launder systems to control metal flow and inclusion removal
Gas Pressure Sintered Silicon Nitride - Typical Properties
Property
Value
Unit
Density
3.20 - 3.26
g/cm³
Apparent Porosity
0 - 0.1
%
Elastic Modulus
300 - 320
GPa
Compressive Strength
> 1500
MPa
Vickers Hardness (HV0.5)
15 - 16
GPa
Fracture Toughness
> 8.0
MPa*m^(1/2)
Flexural Strength
> 700
MPa
Poisson's Ratio
0.25
-
Coefficient of Thermal Expansion
3.1 - 3.3
*10⁻⁶/℃
Weibull Modulus
11 - 13
-
Thermal Conductivity
20 - 25
W/(m*K)
Electrical Resistivity
10¹⁴
Ω*cm
These values are typical for gas pressure sintered silicon nitride and may be tailored through process adjustments to meet specific application demands.
Choose our precision-engineered silicon nitride components to enhance the performance and longevity of your molten metal processing equipment. Contact us today to discuss your custom requirements.
