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Silicon Nitride Riser Tube For Casting Industry

Silicon Nitride Riser Tube is the key part of low pressure die casting machine.

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Introduce

Silicon nitride (Si3N4) ceramic materials are widely used in manufacturing, aerospace, chemical, armor, and other fields because of their high strength, wear resistance, corrosion resistance, and other properties. Using the appropriate sintering additives can effectively improve the thermal conductivity, the fracture toughness and promote the improvement of material properties.

With these performances, silicon nitride is a good material for riser tubes.

Silicon Nitride Riser Tube For Casting Industry

The Advantage Of Silicon Nitride Riser Tube

1. Small thermal expansion coefficient;

2. Good thermal conductivity and good thermal shock resistance

3. good thermal shock resistance

The Data Sheet Of Silicon Nitride Riser Tube

Density	3.20±0.04g/cm3
Apparent porosity	＜0.3%
Elastic modulus	300-320GPa
Compression strength ratio	35-45% (25C)
Hardness(HRA)	92-94Gpa
Fracture toughness	7 0-9 0/Mpa m½
Bending strength	800- 1000MPa
Poisson’s ratio	0.25
Webuller modulus	1 1- 13
Thermal conductivity	22-24W.(m.k)- 1
Corrosion resistance	Good
Size stability	Good
Magnetic	No