Rare Metals
Founded in 1993, Shanghai TLWM Tungsten & Molybdenum Co., Ltd. (hereinafter referred to as LTWM), is a professional manufacturer and supplier of tungsten and molybdenum alloy products and other rare metals in China. With nearly ...
About UsOur production line of tungsten and molybdenum products includes powder, rod, wire, plate, sheet, and alloy as well as fabricated parts. rare metals include all kinds of tungsten electrodes for TIG welding, hot zones parts in sapphire ...
Tungsten Electrodes for TIG WeldingWith superb properties of high hardness, high temperature resistance more than 3000℃, tungsten is a rare metallic element used for producing TIG electrodes, which carry good performance of TIG welding...
Thoriated Tungsten ElectrodesContaining minimum of 97.30% tungsten and 1.70% to 2.20% thorium, thoriated tungsten electrode has good overall performance, especially suitable for bearing the overload current. It is the most commonly used electrode in America and some ...
Ceriated Tungsten ElectrodesContaining minimum 97.30% tungsten and 1.80% to 2.20% cerium, ceriated tungsten electrode is an environmental electrode without any radioactivity. It has better performance of DC welding under low amperage and therefore widely ...
Lanthanated Tungsten ElectrodesLanthanated tungsten electrode, also known as lanthanum tungsten electrode, is a non-radioactive material with good welding performance. It can be primarily used for DC welding as well as AC welding. Lanthanum tungsten electrode has been ...
Zirconiated Tungsten ElectrodesZirconiated tungsten electrode, also known as zirconium tungsten electrode, has excellent performance in AC welding, which is irreplaceable by any other electrodes. Zirconiated tungsten electrode is most commonly used for AC welding...
Pure Tungsten, Yttriated Tungsten and Composite ElectrodesPure tungsten electrode, yttriated tungsten electrode and composite electrode (rare earth tungsten electrode) are made from tungsten, yttrium and rare earth oxides in appropriate proportion...
Hotzone Parts in Sapphire GrowerLTWM(rare metals company) supplies full sets of hot zones as well as tungsten and molybdenum parts for sapphire growth furnace in superior quality, high accuracy and moderate cost. We output 30Kg、60Kg、85Kg and120Kg full sets hot zones as well as custom ...
Tungsten CruciblesDue to the advantages of high density, high strength, high erosion resistance, low resistivity and low thermal expansion, tungsten crucibles are widely used in various industries. Our company can produce tungsten crucibles according to the ...
Tungsten TubesMade from high purity tungsten, tungsten tube is widely used in the thermocouple protection tube, sapphire crystal furnace and high temperature furnace, etc. ..
Heat Insulation ShieldingAs a kind of rare metals: auxiliary tool, tungsten and molybdenum heat shields are designed to stabilize temperature of the growth furnace and to prevent the outside temperature from impacting melt in the crucible. Also, they can be applied in optical ...
Tungsten Support RodsTungsten support rod, with high density, high melting point, excellent hardness, high tensile strength, high temperature resistance, low vapor pressure as well as superior wearing resistance, is gradually standout among the various swaging rod...
Tungsten Support TraysTungsten support tray has excellent physical properties, such as high density, high melting point, excellent hardness, high tensile strength, high temperature resistance, low vapor pressure as well as superior wearing resistance. As a ...
Seed HoldersDue to the high temperature resistance, low pollution and other good characteristics, seed crystal holders are mainly used as instruments for processing hot zone components in the sapphire growth furnace. According to ...
Tungsten BarsTungsten bars with impurities are used to procedure bulb filaments or electron tube filaments, which are guaranteed to have remarkable resistance to high temperature for making special steel, tungsten wire and electric contact point. They ...
Tungsten HeatersTungsten heater, made of tungsten wire, is the heat source of sapphire crystal growth furnace. With high melting point and high corrosion resistance, it plays a crucial role to sapphire crystal quality control, energy saving and product service...
Hot ZoneAs the hardest oxide crystal, sapphire (Al2O3) outgrow form hot zone has a combination of good optical and physical properties, which makes it the best choice for a variety of demanding applications. It has good thermal properties...
Tungsten ProductsRecognized as the highest melting point (3410°C) and the lowest vapor pressure metal, tungsten is a preferred candidate for producing amounts of high temperature products. LTWM(China rare metals company) provide tungsten products with superior quality, high accuracy...
Tungsten PowderLTWM can supply 99.95 % (calculated by subtractive method) super purity tungsten powder as raw material. These superior dark grey powders can be divided into several types according to different Fsss particle sizes and oxygen contents...
Tungsten RodsLTWM(China rare metals company) adopts high purity tungsten to manufacture tungsten rods. According to different impurity contents, tungsten rods can be divided into WAL1, WAL2, W1 and W2 designations. While on the basis of size, processing method or ground ...
Tungsten WiresCovered with graphite, tungsten wires are regular black. However, if graphite surface being removed, they appear with metallic luster. According to various impurity contents, tungsten wires can be subdivided into WAL1, WAL2, W1 and W2 ...
Tungsten PlatesBy selecting superior tungsten powder and adopting advanced rolling technology, LTWM rare metals manufactures excellent tungsten plates with good processability and high purity. All of our tungsten plates are produced in accordance with the standard of ...
Tungsten SheetsTungsten sheet can be applied in X-ray inspection device for medical use as the radiation shielding material and radiation-protective equipment for nuclear facilities. By special hot rolling and cold rolling processing, they can also be used ...
Evaporation Boats and Coils of TungstenTungsten evaporation boats are ideal solutions to many thin film coating processes. They are probably the most popular evaporation sources due to their easy operation and wide choices of capacities. Tungsten evaporation boat ...
Tungsten Copper AlloyBy 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 ...
Tungsten Silver AlloyTungsten silver alloy is one of numerous metal alloys manufactured by LTWM rare metals. We can provide them with silver composition occupying 30% to 70%. Generally speaking, they're immediately available in most volumes according to the ...
Tungsten Sputtering TargetsSputtering target materials are mainly applied in magnetron sputtering coating, which is a new type of Physical Vapor Deposition (PVD) method. Adopting above 99.95% super purity tungsten, LTWM professionally provide all kinds of tungsten...
Tungsten Rhenium WireTungsten rhenium wire is a kind of alloy wire mainly containing tungsten and about 1% to 5% rhenium. To improve its thermal performance, tungsten rhenium wire also mixes some additives during sintering procession, such as Na2O, K2O...
Tungsten Rhenium ThermocoupleTungsten rhenium thermocouples (WR thermocouple) are manufactured to meet the requirements for measuring ultra-high temperatures within 2000°C under reductive atmosphere. With excellent properties of high melting point above...
Tungsten Parts for Industrial FurnaceLTWM provide tungsten parts for industrial furnace with superior quality, excellent machinability, high accuracy as well as moderate price. All the tungsten parts are of high purity, high density, high temperature resistance as well as stable internal ...
Fabricated Tungsten PartsDue to the excellent high temperature resistance performance of tungsten fabricated parts, high temperature industrial furnaces frequently take precedence of them for their successful operation. Our tungsten forged products are with high...
Doped TungstenDoped tungsten, also known as non-sag tungsten, is a remarkable kind of dispersion strengthened material. The term non-sag refers to the resistance against deformation or sagging under its own weight at working temperature. ..
Radiation Shielding MaterialThe shielding effect of radiation shielding material is relevant to the component contents of the material. If the component content is different, the shielding effect is surely varied. LTWM rare metals provide various kinds of radiation shielding materials in ...
Tungsten SyringeIn order to comply with the radiation protection principles, TLMM rare metals devote to provide high quality and efficiency tungsten syringe shields to guarantee the radiant exposure as low as possible. AT&M high density material is of quite high density...
Tungsten CollimatorTungsten collimator is a device that narrows a beam of particles or waves. It belongs to input and output element of optical fiber communicaiton devices. It can be adopted as linear accelerator and cyclotron in medical treatment. Tungsten ...
Tungsten Heavy AlloysTungsten heavy alloys, also known as high density tungsten base alloys, are materials composing of 85% to 99% amount of tungsten and low amounts of chemical elements, such as Mo, Ni, Fe Ni, Co, Cu and Cr. LTWM provides two ...
Molybdenum ProductsMolybdenum is a preferential material in a number of manufacturing industries because of its excellent properties. Silvery white molybdenum products possess good characteristics of high melting point, high thermal conductivity, low thermal ...
Molybdenum PowderMolybdenum powder is a transition soft metal powder with pure silvery grey color. Though it has the fifth highest melting point (2623℃) of all elements, it has the lowest thermal expansion coefficient, which makes it a highly utilizable material in...
Molybdenum RodsMolybdenum rod, with high purity, high density and excellent high temperature proof of creep deformation, is an important raw material in metal industry. LTWM rare metals provides excellent forging molybdenum rods and sintering molybdenum rods ...
Molybdenum WiresCovered with graphite, molybdenum wires are regular black. However, if graphite surface being removed, they appear with metallic luster. LTWM rare metals company can provide La2O3 or Y2O3 doped refractory Molybdenum wires according to the customer drawings...
Molybdenum PlatesBy selecting superior molybdenum powder and adopting advanced rolling technology, LTWM rare metals company provides excellent molybdenum plates with good processability, high purity and clean surface. All of our molybdenum plates are produced in ...
Molybdenum SheetsChemical cleaned molybdenum sheets are with metallic silver luster. They're .rolled and annealed to reach the optimum condition for the desired end use. We can provide molybdenum sheets with different widths, thicknesses, surface ...
TZM AlloysTZM alloy is a high strength molybdenum based alloy containing titanium, zirconium and carbon. Comparing to pure molybdenum products, it has better creep resistance, higher recrystallization temperature and better welding ...
TZC AlloysTZC alloy is one of main classes of commercial molybdenum-base alloys. It contains molybdenum mainly as well as 1.2% titanium, 0.3% zirconium and 0.1% carbon. TZC alloy is an improvement of TZM alloy. By using powder metallurgy and ...
Molybdenum Parts for Industrial FurnaceLTWM china rare metals company provides molybdenum parts for industrial furnace with superior quality, high accuracy, excellent machinability as well as moderate price. All our molybdenum parts possess good properties of high purity, high density, high temperature...
Molybdenum Sputtering TargetsSputtering target materials are mainly applied in magnetron sputtering coating, which is a new type of Physical Vapor Deposition (PVD) method. Adopting above 99.95% super purity molybdenum, LTWM rare metals company professionally provide all kinds of ...
Molybdenum CruciblesDue to the advantages of high density, high temperature resistance, low pollution and other good characteristics, molybdenum crucible is widely used for sapphire crystal growth, rare-earth melting, mechanism process, metallurgy and LED ...
Evaporation Boats and Coils of MolybdenumThermal evaporation is a coating method adopted during the PVD process. Molybdenum evaporation boats are ideal solutions to many thin film coating processes. They are popular evaporation sources due to their easy operation and ...
Fabricated Molybdenum Products1.Molybdenum fabricated products are widely used for manufacturing furnace components. Hot Isostatic Press (HIP) construction use molybdenum sheets to produce fabricated parts;...
