Aluminum titanate riser tube
Riser tube for low pressure casting machine is one of important parts. The melting aluminium (with the temperature 700~900) is sent to mould cavity from riser tube by pressure every 3~5 minutes. This asks the riser tube to be resistant of high temperature and thermal shock, no-wetting by molten aluminium, good air tightness .

Characteristics of Alu Tit Tube:

Excellent thermal shock resistance

No infiltration with the non-ferrous metal

Excellent wear resistance

Low thermal-expansion coefficient

The service life of the aluminum titanate riser tube can reach 60 days 

Application of Alu Tit Tube:

Aluminum Titanate riser tube / stalk tube can be used for the conveying , dosing of non-ferrous metal melts, especially for low pressure die casting of aluminium. The products can keep the purity of low pressure die casting products , and provide for the casting plants with high quality .

 

The aluminum titanate has higher melting point(1860°C±10°C),lower thermal expansion coefficient(RT—1000°C,α<2.0×10-6/°C) and excellent heat-shock resistance. Besides, the aluminum titanate don’t infiltrate with the metal melt(especially the non-ferrous metals) and glass melt. Therefore aluminum titanate can be widely used in the conditions of high-temperature resistance, heat-shock resistance and corrision resistance.

 

Characteristics of Aluminium titanate riser tube:

Type

Aluminum titanate Bonded

AL2O3  (%)

50~55

Fe2O3 (%)

0.2

TiO2 (%)

40~45

K2O+Na2O

0.02

Thermal conductivity (W/mk)

0.86~1.00

Density (g/cm3)

3.3

Bending Strength(MPa)

55

Max temperature

1400℃

Porosity (%) 

8



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