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Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting

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Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting

Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting
Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting

Large Image :  Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting

Product Details:
Place of Origin: China
Brand Name: KEGU
Model Number: Customizable
Payment & Shipping Terms:
Price: 200-500 yuan/kg
Packaging Details: Strong wooden box for Global shipping
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 2,000 pcs/month
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Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting

Description
Material: Silicon Nitride Composition:SiC: ＞85%
Color: Black Density: 3.20-3.26g/cm3
Max. Service Temp: 1450℃ Flexural Strength: 250MPa
Sample: Customizable Chemical Stability: High
Apparent Porosity: 0-0.1% Elastic Modulus: 300-320GPa
Compression Strength: >1500MPa Vickers Hardness(HV0.5): 15-16GPa
Thermal Conductivity: 20-25W/(m.k) Specific Resistivity: 10^14Ω·cm
Highlight:

Silicon Nitride Riser Tube

,

High Temperature Resistant Ceramic Tube

,

Aluminum Casting Silicon Nitride Tube

Silicon Nitride (Si3N4) Riser Tubes for Aluminum Casting
Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting 0 Silicon Nitride Riser Tube with Extended Service Life, High-Temperature Stability, and Thermal Shock Resistance for Aluminum Casting 1
Product Overview

Our premium silicon nitride riser tubes are engineered for superior performance in aluminum casting applications. Manufactured through advanced isostatic pressing and gas pressure sintering technology, these tubes deliver exceptional density, unmatched high-temperature mechanical strength, and extended operational lifespan—outperforming conventional alternatives by over 10 times.

Key Advantages in Aluminum Casting Operations
  • Extended Service Life: 10x longer lifespan than traditional riser tubes
  • Enhanced Casting Quality: Significantly reduces air leakage and slag formation
  • Reduced Operational Costs: Minimizes downtime and replacement frequency
  • Consistent Performance: Maintains dimensional stability under extreme thermal cycling
Technical Specifications
Property Unit Value Range
Density g/cm³ 3.20-3.26
Apparent Porosity % 0-0.1
Elastic Modulus GPa 300-320
Compressive Strength MPa >1500
Vickers Hardness (HV0.5) GPa 15-16
Fracture Toughness MPa*m¹/² >0.8
Flexural Strength MPa >700
Poisson's Ratio - 0.25
Thermal Expansion Coefficient *10⁻⁶/°C 3.1-3.3
Weibull Modulus - 11-13
Thermal Conductivity W/(m*K) 20-25
Electrical Resistivity Ω*cm 10¹⁴
Product Dimensions
Size Parameter Specification
Maximum Outer Diameter 430 mm
Wall Thickness 10-15 mm
Maximum Length 1350 mm

Custom dimensions available upon request for specialized applications

Primary Applications
Low-Pressure & Gravity Casting
  • Aluminum automotive wheels
  • Engine blocks and cylinder heads
  • Structural automotive components
Precision Casting
  • Aerospace turbine components
  • High-performance heat sinks
  • Defense and aviation parts
Continuous Casting
  • Aluminum slabs and billets
  • Rods and bar stock
  • Specialty alloy profiles
Material Properties & Benefits
Exceptional Thermal Shock Resistance
Withstands rapid temperature fluctuations without cracking or degradation, ensuring reliable performance through multiple casting cycles.
High-Temperature Stability & Low Thermal Expansion
Maintains structural integrity at elevated temperatures with minimal dimensional change (CTE: 3.1-3.3 *10⁻⁶/°C).
Superior Corrosion Resistance & Non-Wetting Surface
Inert to molten aluminum with excellent non-wetting properties, preventing metal adhesion and ensuring clean separation.
Extended Service Life & Reduced Maintenance
Durable construction minimizes wear and tear, reducing replacement frequency and associated operational downtime.
Performance Comparison

Compared to traditional ceramic and metallic riser tubes, our silicon nitride solutions offer:

  • 10* longer operational lifespan
  • 50% reduction in maintenance requirements
  • 30% improvement in casting quality
  • 25% decrease in energy consumption through improved thermal efficiency

Tag:

Silicon Nitride Riser Tube,

Si3N4 Ceramics,

Silicon Nitride Tube

Contact Details
Shaanxi KeGu New Material Technology Co., Ltd

Contact Person: Ms. Yuki

Tel: 8615517781293

Send your inquiry directly to us (0 / 3000)

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