Specifications

1.Purity:W>=99.95%
2.Density:19.2g/cm3
3.Standard:ASTM B 387
4.Hardness:>210

The detail information of quartz tungsten halogen heating tube :

Product name:quartz tungsten halogen heating tube

1.Apperance:It has metallic silver luster.

2.Surface:Black surface,alkli cleaning and ground surface.

3.We can provide the following size of  tungsten tube :

Diameter(mm)	Wall Thickness(mm)		Length(mm)
30-50	8-10		<1300
50-100	8-15
100-150	10-15
150-200	12-20
200-300	15-20
300-400	15-30
400-450	15-30
450-550	15-30

4.Application of tungsten tube :

Mainly used for high temperature furnace components,crucible,missile rockets nozzle high temperature furnace,ect.

5.Attached our pictures of  tungsten tube for your reference:

 

  

  

6.Attach the test report of tungsten tube produced by Lytuojing:

Element		Sn	Bi	Ca
Concentration		≤0.0001%	≤0.0001%	≤0.0005%
Element		Mg	Al	Cd
Concentration		≤0.0002%	≤0.0002%	≤0.0001%
Element		S	AS	Pb
Concentration		≤0.0005%	≤0.0007%	≤0.001%
Element		Na	Sb	Cr
Concentration		≤0.0005%	≤0.0002%	≤0.0005%
Element		Cu	P	Fe
Concentration		≤0.0002%	≤0.0005%	≤0.001%
Element		K	V	Mn
Concentration		≤0.001%	≤0.002%	≤0.002%
Element		Mo	Si	Ti
Concentration		≤0.0014%	≤0.0008%	≤0.002%
Element		Ni	Co	C
Concentration		≤0.0005%	≤0.0002%	≤0.003%
W1  Balance

7.Tungsten Physical Properties

Density	lb/in3	0.7
	gm/cm3	19.27
Melting Point	°F	6170
	°C	3410
Thermal Conductivity	Cal/cm2/cm° C/sec	0.48
Specific Heat	Cal/gm/°C	0.032
Coefficient of Linear Thermal Expansion	micro-in/°F  x 10-6	4.3
	micro-in/°C  x 10-6	2.4
Electrical  Resistivity	micro-ohm-cm	5.5

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