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Contact: Daisy Bi
Company: Zibo Guiyuan Taisheng Advanced Ceramic Co.,Ltd
Zibo City, Shandong Province, China
Zibo 255129
China
Phone: +8618253372068
Fax: 86-533-3191016
E-Mail: Send Inquiry
Date/Time:  11/7/16 3:09 GMT
 

high strength silicon nitride riser tube for aluminum low pressure casting

Silicon Nitride Riser/Stalk Tube
Product Description
Silicon nitride riser tube is the key part of the low pressure casting. It is
the ideal materials of the metallurgy industry because of excellent
characteristics. After using, it can not only improve the quality of the
casting products but also reduce the cost. The service life is 5-20 times
longer than the traditional tube, so the replacement of the riser tube is
reduced and the continuous of the production is ensured.
Physical and chemical index
Types Gas Si3N4
Density >3.2g/cm3
Si3N4 content >92%
Flexural strength >600Mpa
Compressive strength >1500Mpa
Thermal conductivity(W/mk) 16-22
Porosity 0
Thermal expansion coeff.(RT-1000℃) 3.2
Max temperature
In air 1400℃
Hardness(HRA) >92
Features
1, Moulding: Cold isostatic pressing(CIP)
2, Sintering: GPSN
3, High strength &good compactness
4, Low thermal expansion coefficient
5, Excellent thermal shock resistance
6, No wetting by molten aluminum and other non-ferrous molten metal
7, Good corrosion resistance
Common size:
Inner diameter: φ50~200mm.
Length: 500~1100mm.

Minimum Order: 1 pieces

high strength silicon nitride riser tube for aluminum low pressure casting
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