Tungsten birdcage heater for vacuum or gas protected high temperature furnace
I,physical and chemical properties
1 tungsten heater
1.1 purity:W≥99.95%;
1.2 density:≥19.1g/cm3;
1.3 application temperature environment:≤2400°c;
1.4 vapor pressure:10-6 PA at 2100°c
1.5 thermal expansion coefficient:(0-1600°c):4.98×10-6
1.6 the electrical resistivities at different temperatures(ωmm2 /m)
According to furnace design and operating temperature, we supply hot zones with heating elements c in the form of strip heaters, wire and rod elements, stranded-wire elements or mesh-heaters.
1) tungsten strip heater
Made of w, mo, mola, tzm, ta
Very fine shape and exact ohm
High mechanical and thermal stability
Low creep deformation
Supply rod heating elements according to user's drawing
2) tungsten mesh heater
Very fine shape and exact ohm
High mechanical and thermal stability
Low creep deformation
Long life times
Supply mesh heater according to user's drawing and inquiry.
3) tungsten heater rod
Size:Dia.2 - 11 mm X 6000 mm long
Very fine surface and density uniformity
High mechanical and thermal stability
Low creep deformation
Long life times
Supply rod heating elements according to user's drawing
The tungsten products and molybdenum products of our company include:
1.Non-standard tungsten parts, non-standard molybdenum parts.
2.Tungsten parts for ion implantation, molybdenum parts for ion implantation.
3.Tungsten seed holder for crystal growth furnace, molybdenum seed holder for crystal growth furnace.
4.Tungsten crucible for vacuum coating, molybdenum crucible for vacuum coating.
5.Tungsten ring, molybdenum ring.
6.Shaped tungsten crucible,shaped molybdenum crucible.
7.Tungsten connection parts such as tungsten screws,tungsten nuts, tungsten washers.
8.Molybdenum connection parts such as molybdenum screws,molybdenum nuts, molybdenum washers.
9.Tungsten parts for medical equipment, molybdenum parts for medical equipment
10.Molybdenum waveguide.
11.Copper welded tungsten for nuclear indurstry.
If you have any question , please do not hesitate to contact us, thanks.
Aimee
Luoyang DingDing tungsten&molybdenum materials Co., Ltd is professional in exploiting, producing and selling tungsten&molybdenum products. We built up our own producing and processing factory in Luoyang City, Henan Province, and have high production ability. We provide high-quality products with low price. Rely on many years' good reputation and good service, there are many customers at home and abroad who have established long-term and steady business relationship with us. Our products not only supply to China Domestic, but also export to many countries like: United States, Germany, Australia, Asia Gulf States etc, and the scale is still expanding. Our company is willing to take a sincere attitude and cooperation with you.
