Tungsten Crucible

About Us

JBNR owns a highly-qualified technical team which has solid theoretical guidance and extremely rich experience in the aspects of powder metallurgy, press processing and shape processing. In addition, an energetic technical team with appropriate ages is full of powerful creative spirits and exploratory capabilities...

Tungsten Products

Tungsten has the highest melting point (3410°C) and the lowest vapor pressure among all the metals, which makes it the best choice for a variety of high-temperature operating environment. Tungsten products feature high melting point, low ...

Tungsten Powder

According to granularity standard, Tungsten powder can be divided into coarse, medium and fine granularity type. It is of silver powder, and its impurity content is based on the national standard. In addition to certain requirements of impurity content, the oxygen content should be controlled within a certain range...

Tungsten Granule

Tungsten granule, also known as tungsten particle, is small particles from tungsten metal. Its particle size is about 20-40 mesh and its high purity above 99.95%...

Tungsten Wire

Tungsten wire, also known as wolfram wire, normally has two different surfaces as black surface and cleaned surface. We mainly offer two kinds of tungsten wire, that is, pure type and K-Al-Si doped type (Non-sag tungsten). And we can offer spool and straight type, whose diameters are all above 0.05 mm...

Tungsten Filament

Tungsten filament (tungsten evaporation coil) is of many metal shapes and generally consists of one or several streams of doped tungsten wires. Multi-strand filaments are generally preferred because they offer a greater surface area than single-wire filaments. We can offer thousands of filament ...

Tungsten Rod

Tungsten rod (tungsten bar) is of high-purity, high-density and excellent high-temperature, proving no deformation.
We can offer different surfaces tungsten rod like black surface, alkaline washed surface and polished surface. Black surface is "as swaged" or "as drawn", retaining a coating of processing ...

Tungsten Plate and Sheet

Tungsten plate (tungsten sheet) possesses the properties of high density, balanced internal structure and excellent high creep strength, high temperature resistance, high chemical purity, tight and uniform tolerances, and consistent high quality...

Tungsten Boat

Tungsten boat is made from tungsten sheet through a process of cutting, bending, welding and riveting. The material in tungsten evaporation boat that is to form the subsequent layer is heated in a vacuum chamber until it evaporates. The vapor formed by the material condenses on the substrate and forms...

Tungsten Electrode

Tungsten electrodes feature high melting point, corrosion resistance, high density and good heat conduction. They are mainly used for welding. These non-consumable electrodes come in a variety of sizes and lengths and are composed...

Tungsten Crucible

Tungsten crucible, also known as tungsten melting pot, can be mainly divided into such molding ways as sintering molding (powder metallurgy technology is applied thereto), impact molding, spinning molding, lathing molding (usually has relatively small size) while using tungsten rod and welding ...

Tungsten Tube

Tungsten tube, also called tungsten pipe, is widely applied in high temperature environments due to the features of tungsten that its melting point reaches 3410℃ and its density is above 18.2g/cm3. Our company can provide various tungsten tubes featuring high precision, finish surface, straight size and high ...

Tungsten Target

Tungsten target is a flat rectangle of known color and brightness, fixed to the spacecraft so the instruments on the movable scan platform (cameras, infrared instrument, etc.) can point to a predictable target for calibration purposes...

Tungsten Rhenium Wire

Tungsten rhenium wire (tungsten-rhenium wire), solid, round and smooth, can be free of weld joints, slivers, kinks, pits or nicks exceeding 5 % of diameter. It has a uniformly clean surface and is free of discoloration. The thermal elements, which are all heat treated, are available for reaching the...

Tungsten Rhenium Thermocouple

Tungsten rhenium thermocouple (tungsten-rhenium thermocouple) has good chemical stability, large electromotive force, and high sensitivity in a non-oxidizing atmosphere. It can be directly used to measure, with display instrument, the temperature of liquid, steam and gas media. The using...

Tungsten Fabricated Products

Tungsten fabricated products, also known as tungsten profiled products, have very wide use in high temperature field and medical mask field owing to tungsten's such properties as high melting point and high density, as well as good electrical conductivity in the condition of high temperature. Besides...

Molybdenum Products

Molybdenum is a necessary trace element for human and animals and plants. It is silvery white, hard and tough. It features high melting point (2610°C), low thermal expansion rate, high heat conductivity, low vapor pressure, excellent ...

Molybdenum Wire

Molybdenum wire is a kind of consumable. It is made up of precious metals such as molybdenum. When this consumable is in the process of wire cutting, it is equipped with a high voltage electrode, and then the high quality molybdenum materials are processed to filamentous products adopting hot ...

Molybdenum Rod

Sintering molybdenum rod, as the raw material, is mainly used in pulling molybdenum wire and forging molybdenum bar. It is an important part in metal industry. As molybdenum features high melting point, forging molybdenum rod with high purity and high density shows excellent high-temperature proof of creep ...

Molybdenum Plate and Sheet

Molybdenum plate, also named molybdenum sheet, features high density, balanced internal structure and excellent high creep strength temperature. And its density basically comes close to molybdenum's theory density through rolling and processing with deflection reaching 60%...

Molybdenum Boat

Molybdenum boats are made by rolled molybdenum plate with the excellent performance of strength and high temperature resistance. This molybdenum product is orderly and tidily profiled and well welded, in order to ensure the boat having a best lifetime under the condition of high temperature or low ...

Molybdenum Crucible

Molybdenum crucible, also known as molybdenum melting pot, characterizes in good oxidation resistance ability under high temperature, and good electrochemical corrosion resistance ability. It can keep the original shape under high temperature operations and is a well-suited high temperature auxiliary ...

Molybdenum Tube

Molybdenum tube, also named molybdenum pipe, is made from molybdenum bar or molybdenum rod by using CNC drilling and milling machine or made by powder metallurgy in integral form.
Molybdenum tubes we offer have two different materials as pure molybdenum and high-temperature molybdenum, passing...

Molybdenum Target

Molybdenum target is formed by sintering molybdenum powder. It features thickness and shiny surface. For your requirement, we can produce various shapes such as round, hole-shape, rectangular and so on. High quality products ...

Molybdenum Electrode

With diameter 10~100 mm and length 150~2000 mm, our molybdenum electrodes are formed by isostatic pressing and forging after sintering with medium frequency furnace. We can offer different kinds of electrodes based on your requirements.
For molybdenum glass melting electrode, we provide centreless...

Molybdenum Disc

The molybdenum disc (moly disc) features excellent electric and thermal conductivity, lower thermal expansion coefficient, higher bending strength, and so on.
With their high purity as well as high electrical and thermal ...

High Temperature Molybdenum Product

High temperature molybdenum products like TZM alloys and TZC alloys are widely used due to its high strength (2000℃), low coefficient of thermal expansion, good conductivity and high corrosion-resistance against molten glass, fused salt ...

Molybdenum Fabricated Product

Molybdenum fabricated products adopt pure molybdenum materials, with the purity 99.95% and density 10.2 g/cm3, featuring high heat conductivity and easy processing. These molybdenum fabricated parts are widely used as heating elements, heating shield, electrodes in electric and electrode...

Tungsten Heavy Alloy Products

Tungsten heavy alloy product is made from WNiFe, WNiCu or WNiCuFe through powder metallurgy process. Some rare metals like Co, Mo, Cr can be added to improve products performance like hardness, ultimate tensile strength, yield ...

Tungsten Alloy Radiation Shielding

The very high density of tungsten alloy radiation shielding (more than 60% denser than lead) allows a reduction in the physical size of shielding components, without compromising their rigidity or the effectiveness of the shielding characteristics...

Tungsten Alloy Counterweight

Geologging is an exploration technique used mainly in the oil and gas industries. It is also known as wireline logging and borehole logging. A gamma ray source is lowered into a borehole and the radiation penetrates the rock strata. This data then can be analyzed to determine whether deposits of gas...

Tungsten Heavy Metal Boring Bar

Tungsten boring bars, also known as heavy metal boring bar, are manufactured in sintered or polished alloys of 90%-95% tungsten. These alloys are very similar to tungsten-carbides but the chemical composition is developed differently to reduce embrittlement...

Tungsten Alloy Rotating Inertia Members

The high density and unique physical properties of tungsten alloys enable components to be rotated at extremely high speeds and provide increased momentum using less space. Tungsten alloy rotating inertia members possess a high elastic modulus, high strength and density, low magnetism, and good

Tungsten Alloy High-Temperature Molding Part

The high density and unique physical properties of tungsten alloys enable components to be rotated at extremely high speeds and provide increased momentum using less space. Tungsten alloy rotating inertia members possess a high elastic modulus, high strength and density, low magnetism, and good...

Tungsten Heavy Alloy Ordnance Components

Since at least World War II, tungsten alloys have proven their worth in ordnance applications. The great properties of tungsten alloys make them applicable in hyper-velocity, armor-penetrating applications, fragmentation devices and kinetic energy penetrators. We can offer tungsten heavy alloy ordnance ...

Tungsten Bucking Bar

Tungsten bucking bars are denser than steel, resulting in the same weight but half the size. They are often used in rivet setting to upset the shank of the rivet and reduce the recoil when reflecting the impact back to the rivet shank.
Tungsten bucking bars are not only used in tight areas...

Tungsten Copper Alloy Products

By selecting high purity tungsten and oxygen-free copper, all of our tungsten copper alloy products are manufactured by sintering and infiltrating process or mixed sintering. In terms of different types, the composition of tungsten and copper ...

Tungsten Copper Alloy

By selecting high purity tungsten and oxygen-free copper, all of our tungsten copper alloys are produced by sintering and infiltrating process. In terms of different types, the composition of tungsten and copper are well-proportioned and accurate...

Molybdenum Copper Alloy

Molybdenum copper alloy is a composite material of molybdenum and copper which has adjustable thermal expansion coefficient and thermal conductivity. But the density of molybdenum copper is much smaller than tungsten copper. Therefore, molybdenum copper alloy is more suitable...

Silver Tungsten Alloy

Silver tungsten alloys are used in industrial and domestic circuit breaker applications where good weld and erosion resistance is important. The higher silver grades have higher conductivity, and the higher tungsten grades have greater erosion and weld resistance...

Copper Molybdenum Copper Alloy

Copper molybdenum copper alloy (CMC alloy) is a sandwich structured and flat-panel composite material. It uses pure molybdenum as the core material, and is covered with pure copper or dispersion strengthened copper on both sides.
Besides, copper molybdenum copper alloy has adjustable...

Tantalum and Niobium Products

Tantalum products (Ta) and niobium products (Nb) are rare metals featuring high melting point and high bolting point. They also characterize corrosion resistance, superconductivity and monopolar electrical conductivity...

Tantalum Powder

With the trend towards miniaturization in the electronics industry, the capacitors used in these devices can achieve more functions. Tantalum capacitor powder can fulfill its need to reach great capacitance in smaller spaces. We can offer sodium-reduced tantalum powder for low and medium capacitors...

Tantalum Ingot

Due to good corrosion-resistant and thermostable properties, tantalum ingot is widely applied in the chemical, petroleum, medical care, manufacture and commodity-processing industries. It features good cold machining and oxide film performance, easy to weld...

Tantalum Rod

Tantalum is a shiny, silvery colored metal which is heavy, dense, malleable and ductile when pure. It is found in small quantities in minerals (generally in conjunction with niobium), and is isolated by conversion to the oxide and then the fluoro-complex, K2TaF7, from which the pure metal is obtained by electrolysis...

Tantalum Tube

Featuring high melting point, corrosion-resistance and good machinability in cold environment, tantalum tube (tantalum pipe) is widely applied to produce tantalum response vessel, tantalum heat exchangers (shell & tube heat exchanger), tantalum pipe line (piping or channel), tantalum condenser...

Tantalum Sheet

Tantalum sheet, also known as tantalum plate, has good machining property in far below room temperature. You can easily machine the tantalum sheet to your specific requirements by punching, cutting, deep drawing or pressing. Tantalum plate also shows excellent corrosion resistance. Acid can not harm it...

Tantalum Wire

Tantalum wire is commonly used as the lead wires on tantalum capacitors. It was the first material used for filaments in light bulbs. This tantalum product is also used in the electronics industry in the manufacture of rectifiers and capacitors. Other applications include medical devices, chemical processing...

Tantalum Target

Tantalum targets provide consistent and reproducible process performance with high thickness uniformity. The elimination of texture banding during fabrication produces a uniform microstructure, which delivers improved early-life stability and consistent-through-life sputter performance...

Tantalum Crucible

Characterizing excellent corrosion resistance, high temperature strength and outstanding physical mechanical performance, tantalum crucible is suitable for reboiling, preheating and condensing of nitric acid combinations with any other chemicals like aqua regia...

Tantalum Boat

Tantalum evaporation boats are ideal solutions to many thin film coating processes. We offer extensive choices about tantalum boats on customers' requirements. They are popular for its different capacities, ease of use and unique properties. We offer tantalum evaporation boats with oval dimple...

Niobium Ingot

Niobium and niobium alloy ingot are mainly used as raw material to manufacture plate, tube, strip, rod, wire and other mill products. Characterizing good corrosion-resistance, high ductility, super conductivity and thermal-stable properties, this niobium ingot is widely applied in the chemical processing...

Niobium Rod

Niobium rod, also known as niobium bar, is machined from niobium ingot to the final dimensions. Forging, rolling, swaging and drawing are used in single or in combination to reach the desired size. Niobium rod is generally coated with a forged surface or a swaged or drawn finish. If requested, annealed...

Niobium Tube

Niobium tubes (niobium pipes) are often used as anode leads for capacitors. They characterize high melting point, excellent anti-corrosion property and workability in cold environment...

Niobium Sheet

Featuring high ductility, super conductivity, great level of biocompatibility and high resistance against aqueous solutions and metal melts, niobium sheet (niobium plate) is commonly used in the industrial diamonds production, deep draw application and also chemical and medical fields...

Niobium Wire

Niobium wire is a preferred choice for jewelry making due to its hardness and corrosion resistance. By adding zirconium in niobium wire, the hardness and antioxidant properties can be greatly improved. Its diameter can be ranged from 0.4 mm to 1.5 mm or from 3.0 mm to 6.0 mm. Niobium wire...

Niobium Target

Niobium target features high ductility, high corrosion resistance and super conductivity. Its metallic impurities and gaseous impurities have been measured by known authorities around the world. For niobium sputtering target, we devote to offering our customers with high purities, fine and uniform grain size...

Niobium Crucible

With high purity (≥99.9%), high level of resistance and excellent formability, our niobium crucible is appropriate for manufacturing synthetic polycrystalline diamonds. It is often used for high-pressure and high-temperature synthesis.
In different forms, niobium crucible can be used in the field...

Tungsten Carbide Alloy Products

Tungsten carbide alloy, also known as tungsten cemented carbide, is formed from powder metallurgy products sintered in vacuum furnace or hydrogen reduction furnace, WC and Tic (refractory carbide) micro powder as main ingredients...

Tungsten Carbide Rod and Plate

Featuring high hardness, wear resistance, good strength and tenacity, heat resistance and corrosion resistance, tungsten carbide remains its original appearance under 500℃ (even under 1000℃). Thus tungsten carbide rod and plate are widely applied in mechanical processing...

Tungsten Carbide for Petroleum and Mining

This kind of product is made from tungsten carbide materials (super hard alloy) by precision machining. Its hardness reaches over HRA90 while the anti-bending degree reaches over 2300N/mm. JBNR can produce many different kinds of nozzles, such as spray nozzles, oil nozzles, blasting nozzles and so on...

Tungsten Carbide Mould Series

Tungsten carbide extruding dies are manufactured with the highest quality carbide. Featuring high compressive strength, this kind of tungsten carbide die can handle extreme pressure and can provide higher quality finished products. Our company can customize to your specifications. We provide both solid ...

Tungsten Carbide Profiled Product

Featuring small deformation, high precision, good toughness, wear resistance, high degree of finish, high precision and long service life, tungsten carbide profiled products are widely used for casting iron, non-ferrous metal, plastic, chemical fiber, graphite, glass, stone and ordinary steel...

Tungsten Carbide Saw

Tungsten carbide saw blades and cemented carbide saw tips are common tools used in wood processing.
The quality of the blade attaches much on the quality of those processed products. Choosing reasonable saw blade plays an important role in improving products' quality, shortening process...

Tungsten Carbide Milling Cutter

Tungsten carbide milling cutter (carbide end mill) is made by micro-grain-carbide with excellent surface. It has smooth vibrationless running, thus significantly improving service life. Featuring excellent surface quality, best yield, low operating cost and high precision, tungsten carbide milling cutter is a best...

Applications
Sapphire Growth Furnace

In sapphire growth furnaces, we offer 30kg, 60kg, 85kg, 120kg full set hot zones including tungsten crucibles, molybdenum crucibles, tungsten heaters, tungsten heat-insulated barrel cylinders, tungsten sheets, molybdenum sheets, molybdenum reflection shields, tungsten-molybdenum supports...

High Temperature Furnace Accessories Series

Characterizing high melting point, good stability, low vapor pressure in high temperature and other properties, tungsten, molybdenum, tantalum and niobium products are the most suitable materials for thermal processing industry covering high temperature furnace or vacuum furnace (like high temperature...

Semiconductor Ion Implantation

Ion implantation, similar to coating process, is a high technology approach for modifying surface properties of materials. But it does not involve the addition of a layer on the surface. Ion implantation is originally developed for semiconductor applications, and it uses highly energetic beams of ions ...

Tungsten Alloy for Radiation Shielding

Tungsten heavy alloy, one of our company's main products, is often used as radiation shielding equipment for nuclear medicine and other medical domains like shielding against X rays and gamma radiation. It is completely lead-free, being comprised of tungsten with minor amounts of nickel and iron...