Nitride Bonded Silicon Carbide Heater Protection Tube

Our Nitride Bonded Silicon Carbide Heater Protection Tube is designed for smelting or casting of molten aluminum, aluminium alloys, magnesium alloys, zinc and copper alloys.
Also we can supply Si3N4 (SSN, RBSN, G.P.S-SN, HPSN), Oa -SiAlON tubes. Please contact us if interested.
Available Size & Types:
ID max: I 220 mm, Length max: 1700 mm;
Vertical type (metal flange type, one body type), horizontal type and pencile type.

Applications:
Low pressure die casting and counter pressure die casting of molten aluminum, aluminum alloys, magnesium alloys and copper alloys; zinc smelting.
Typical chemical analysis: SiC: > 72.00%; Si3N4: >25.00%; Free-Si: < 0.20%; Fe2O3: < 0.15%.

Typical Technical Data:
Porosity: < 11%;
Bulk Density: > 2.60 g/cm3;
Compressive Strength: > 175 MPa;
Flexural Strength: > 70 MPa;
Thermal Conductivity (1400 A C): > 16.5 A 10-6 W/ (m?A C);
Thermal Expansion (20A C-1400 A C): < 4.0 A 10-6/ A C;
Maximum Working Temperature: 1550 A C.