Silicon Nitride Riser Tube

Categories	Silicon Nitride Ceramics
Brand Name:	ZG
Model Number:	MS
Certification:	CE
Place of Origin:	CHINA
MOQ:	1 piece
Price:	Negotiation
Payment Terms:	L/C, D/A, D/P, T/T, Western Union, MoneyGram, MoneyGram
Supply Ability:	10000 pieces per month
Delivery Time:	5-8 working days
Packaging Details:	Strong wooden box for global shipping
Material:	Silicon Nitride Si3N4
Size:	Customized
Color:	Black
Features:	high hardness; high corrosion resistance; low density; stability in a wide range of temperatures; precision machining capability.

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HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD

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Silicon Nitride Riser Tube

Silicon Nitride (Si3N4) Riser Tube

Advantages:

Excellent chemical stability,reduces impurity'bring in,improved the quality of aluminum casting products.
High temperature resistance,which remain the same strength and hardness when the temperature of aluminum liquid comes to 800℃-900℃.
High density with low porosity,it can be long-term using in aluminum liquid,which decrease the residue,in order to improve the service life and reduce the maintenance cost.
It is non-wetting to aluminum liquid,which can highly reduce the aluminum attachment on the surface of the tube.
Excellent resistance to thermal shock,which can improve the working life

Due to the high density with low porosity, high temperature stability,excellent resistance to thermal shock and excellent corrosion resistance,silicon nitride material has a very broad application prospects in the cast aluminum industry on equipment parts.Currently,Our company has developed andproduced series of high performance silicon nitride ceramic products for cast aluminum industry using,including silicon nitride riser tube,silicon nitride heater protection tube,rotating shaft,rotor and silicon nitride protection tube for thermocouple,etc..

Silicon Nitride Related Data

Main component			99%Al2O3	S-SiC	ZrO2	Si3N4
Main component			99%Al2O3	S-SiC	ZrO2	Si3N4
Physical Property	Density	g/cm3	3.9	3.1	6	3.2
	Water Absorption	%	0	0.1	0	0.1
	Sinter Temperature	°C	1700	2200	1500	1800
Mechanical Property	Rockwell Hardness	HV	1700	2200	1300	1400
	Bend Strength	kgf/mm2	3500	4000	9000	7000
	Compression Intensity	Kgf/mm2	30000	20000	20000	23000
Thermal Property	Maximum working temperature	°C	1500	1600	1300	1400
	thermal expansion coefficient 0-1000°C	/°C	8.0*10-6	4.1*10-6(0-500°C)	9.5*10-6	2.0*10-6(0-500°C)
	thermal expansion coefficient 0-1000°C	/°C	8.0*10-6	5.2*10-6(500-1000°C)	9.5*10-6	4.0*10-6(500-1000°C)
	Thermal Shock resistance	T(°C)	200	250	300	400-500
	Thermal Conductivity	W/m.k(25°C	31	100	3	25
	Thermal Conductivity	300°C)	16	100	3	25
Electrical Property	Resisting rate of Volume	◎.cm
	20°C		>1012	106-108	>1010	>1011
	100°C		1012-1013	–	–	>1011
	300°C		>1012	–	–	>1011
	Insulation Breakdown Intensity	KV/mm	18	semiconductor	9	17.7
	Dielectric Constant (1 MHz)	(E)	10	–	29	7
	Dielectric Dissipation	(tg o)	0.4*10-3	–	–	–

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Silicon Nitride Riser Tube

Silicon Nitride Riser Tube

Silicon Nitride Riser Tube

Silicon Nitride (Si3N4) Riser Tube

Silicon Nitride Riser Tube

Silicon Nitride Si3N4

Si3N4 Riser Tube

Silicon Nitride Riser Tube