Tungsten twisted wire,Tungsten wire,Tungsten filament


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Place of Origin
Brand name
KeKai
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Keyword
tungsten wire, tungsten filament, tungsten twisted wire
Category
Wire Mesh , Other Minerals & Metallurgy Products

Luoyang KeKai Tungsten&Molybdenum Technology Co.,Ltd

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BIZ
Country / Year Established
China China /
Business type
Others
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11

Product name Tungsten twisted wire,Tungsten wire,Tungsten filament Certification -
Category Wire Mesh
Other Minerals & Metallurgy Products
Ingredients -
Keyword tungsten wire , tungsten filament , tungsten twisted wire Unit Size -
Brand name KeKai Unit Weigh -
origin Stock -
Supply type - HS code 810193

Product Information

Characteristic:

Melting Point: 3410 Ceiclus

Boiling Point:5927 Ceiclus

Density: 19.2g/cm3

Diameter: 0.01-2.00mm

Type: black and cleaned

Quality standard:GB/T 4181-1997(Tungsten Wire) ASTM B760-86

Specific electrical: 0.055 Ohm x mm2/m resistance at 20 ceiclus.
Modulus of elasticity: 410 kN/mm2, at 20 ceiclus

Dimensions and Tolerances of tungsten wire

Tungsten wires diameters are generally expressed in terms of inches or mils (thousandths of an inch). For thin wires from .001 inches up to .020 inches in diameter, the diameter of the wire is measured by weight per unit length. That is, the weight expressed in mg of a 200 mm length of wire.

The standard diameter tolerance is ± 3% of the weight measurement. Closer tolerances are available, depending upon the application for the wire product.

Straightness of tungsten wire

Wire may be finished in the unstraightened or as drawn condition and is controlled to Bango's internal standards, In addition, wire can be straightened via mechanical or heat treating processes. Typically, the measure of the straightness of a tungsten wire is obtained by cutting a ten inch long piece of wire and allowing it to lie on a flat clean surface. The maximum deviation from a straight line along its length is the quantitative measure of its straightness. In general, as the degree of straightness increases, tensile strength decreases.

Quality and Finish

Wire is free of scratches, kinks and distortions insofar as they are harmful to the intended end use of the product. Surface finish is supplied in the black, as drawn condition, where drawing lubricants and oxides are retained on the surface, or in the cleaned condition by firing in hydrogen or electrochemical etching.

Products Feature:

1.Excellent Conductivity

2.Resistence of high temperature.

3.Abrasion and Erosion.

4.Suitable for making heating wires.

5.Twisted wires for coating films under vacuum and for tungsten wires in electrical light sources usage.

Application:

Tungsten is widely used as refractory metals. In wire form, tungsten wire is essential for the production of lighting products and other goods where its high temperature properties are of use. Among its properties are a melting point of 3410° C, a low coefficient of thermal expansion and low vapor pressure at elevated temperatures along with good electrical and thermal conductivity.

The important applications of tungsten wire are for the production of coiled incandescent lamp filaments, cathode and support structures for power tubes, heating elements for high temperature furnaces and evaporation sources in metallizing processes. Thicker sizes of tungsten wire, straightened, finish-ground and cut into rod pieces are widely used for glass-to-metal seal lead parts in the lighting and electronic industries.

 

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Price (FOB) Negotiable transportation -
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Luoyang KeKai Tungsten&Molybdenum Technology Co.,Ltd

Country / Year Established
China China /
Membership
BIZ
Business type
Others

11

President
Mr.Chen
Address
Room 1006,Jinmao International Building,Nanchang Road,Luoyang,Henan,China
Product Category
Industrial Supplies,Other Minerals & Metallurgy Products
No. of Total Employees
101-500
Company introduction

Luoyang KeKai Tungsten & Molybdenum Technology Co., Ltd. is located in Luoyang, where the reserve of molybdenum in Asia is No.1. Based on the abundant resources, KeKai became a professional company on manufacturing the products of Tungsten, Molybdenum and different kinds of special-shape products.
KeKai Tuntsten & Molybdenum, which owns precise equipments, advanced technology, excellent work team and scientific management, forms one complete production line: Power----Bar(Slab)---Plate---Rod(Wire), alloys and converted products of Tungsten and Molybdenum. Different products could be used in different ranks, such as rare-earth, glass fiber, aluminum silicate fiber, industrial stoves, glass cotton, optical glass, industrial ceramics, vacuum furnace, electric light source, etc. Products are in high quality that the market ranges reach to Europe, America, Southeast Asia and other 30 more countries, which gain a great reputation from all the customers.
Main products:

1.Molybdenum products

All the molybdenum products meet to ASTM386 and ASTM387. It including molybdenum plates and molybdenum sheets, molybdenum rods and molybdenum bars, molybdenum crucibles and molybdenum boats, molybdenum targets and so on.

2.Tungsten products

All the tungsten products meet to ASTM B760 and ASTM B761. It including tungsten plates and tungsten sheets, tungsten rods and tungsten bars, tungsten crucibles and tungsten boats, tungsten targets and so on.

3.High-temperature Products and TZM

Business Philosophy:

---------Efficiency makes our brand, Credibility makes our future.

Main Markets

Argentina Argentina

Australia Australia

Canada Canada

Egypt Egypt

Finland Finland

France France

Greece Greece

India India

Iran Iran

Ireland Ireland

Philippines Philippines

South Africa South Africa

South Korea South Korea

Taiwan Taiwan

Turkey Turkey

Yemen Yemen

Zambia Zambia

Factory Information

Luoyang KeKai Tungsten&Molybdenum

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