rhenium platinum tungsten

Rhenium | chemical element |

Rhenium metal is silvery white and extremely hard; it resists wear and corrosion very well and has one of the highest melting points of the elements. (The melting point of rhenium, 3,180 °C [5,756 °F], is exceeded only by those of tungsten and carbon.)

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SEKOM Rhenium, Molybdenum, Tungsten, Tantalum, Platin ...

SEKOM is a private company, registered in Austria. It was founded in 1990 as an international trade and project development company. Main activity of company is trade with hard and refractory metals, oxides, concentrates and scrap, in particular Tungsten, Molybdenum, Rhenium, Tantalum, Titanium, as well platinum group metals and ferroalloys.

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Rhenium

offset by rheniumbearing catalysts being considered for use in several proposed gastoliquid projects. Materials that can substitute for rhenium in various end uses are as follows: cobalt and tungsten for coatings on copper Xray targets, rhodium and rhodiumiridium for hightemperature thermocouples, tungsten and platinumruthenium for

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Rhenium Alloys: TungstenRhenium alloys, wire, flat wire ...

TungstenRhenium Wire has a density almost equal to Tungsten Wire, and is commonly used in thermocouples and electronics products. Our Rhenium Wire is % pure and has high strength and excellent ductility. %Rhenium Wire is used in welding, ...

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Rhenium Alloys: Pure Tungsten wire and rod

Rhenium Alloys supplies pure Tungsten, and Tungsten alloys – TungstenCopper and TungstenRhenium. Tungsten is commonly used in filaments, electric bulbs, electric tubes, heating elements in hightemperature furnaces, high speed tools, and in the aerospace and automotive industries.

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tungsten rhenium wire | eBay

Find great deals on eBay for tungsten rhenium wire. Shop with confidence. Skip to main content. eBay Logo: ... Save tungsten rhenium wire to get email alerts and updates on your eBay Feed. + ... New Listing iTungsten 6mm 8mm Gold Tungsten Carbide Rings for Men Women Wedding Engagement. Brand New. Buy It Now. Free Shipping.

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tungsten rhenium

Tungsten/Rhenium Rod online alog source supplier of . ... It is also one of the densest, exceeded only by platinum, iridium and osmium. Rhenium has a hexagonal closepacked crystal structure, Rhenium MetalAlloy Supplier Eagle Alloys Corporation. Materials Available: PURE RHENIUM MOLYBDENUM RHENIUM MoRe 41% . MoRe % .

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Umicore | Rhenium

Rhenium. Rhenium was discovered by the German chemists Ida TackeNoddack, Walter Noddack and Otto Carl Berg in 1925. They detected rhenium spectroscopically in platinum ores and in the minerals columbite, gadolinite and molybdenite.

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Plating on Tungsten | Plating with Tungsten | Tungsten ...

Only platinum, iridium, osmium and rhenium metals weigh more. Tungsten’s superior corrosion resistance makes it suitable for use in severe environments. Tungsten offers good resistance to atmospheric corrosion and moisture at ambient temperatures, as well as nitric, sulfuric and hydrofluoric acids at room temperatures.

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Tungsten Rhenium Alloy | AMERICAN ELEMENTS

Rhenium is the fourth densest element exceeded only by platinum, iridium, and osmium. Rhenium's high melting point is exceeded only by those of tungsten and carbon . Rhenium is found in small amounts in gadolinite and molybdenite.

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GoldCoated Rhenium Tungsten Wire | AMERICAN ELEMENTS

GoldCoated Rhenium Tungsten Wires are generally immediately available in most volumes, including bulk orders. American Elements can produce materials to custom specifications by request, in addition to custom compositions for commercial and research applications and new proprietary technologies.

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Rhenium | Coin And Bullion Pages

Rhenium is the most important material added to tungsten alloys. Rhenium improves the ductility (ability to be drawn into wires), machinability and hightemperature stability of tungsten. The more rhenium is added, the better the quality and so rhenium can be added up to the solubility limit, which is …

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Properties and Applications of Rhenium and Its Alloys

tory metals (tantalum and tungsten) and three of the platinumgroup metals (osmium, iridium, and platinum). Rhenium may exist in any oxidation state between 1 and +7, but the latter (in the form of ReO4) is the most stable state and can serve as a precursor for direct deposition of rhenium.

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Tungsten Wikipedia

Its density, similar to that of gold, allows tungsten to be used in jewelry as an alternative to gold or platinum. Metallic tungsten is hypoallergenic, and is harder than gold alloys (though not as hard as tungsten carbide), making it useful for rings that will resist …

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Rhenium and Rhenium Alloys Supplier Worldwide H. Cross

Rhenium’s melting point of 3180º C is second only to tungsten. Only osmium, iridium, and platinum exceed its density of g/cc. Because of its high melting point, rhenium is a refractory metal.

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Filament Fabrication Materials | Tungsten Rhenium ...

Union City Filament winds and forms wire and ribbon composed of refractory and precious metals including tungsten, molybdenum, rhenium, platinum, iridium, and nichrome into a vast array of configurations and custom designs while holding the tightest possible dimensional tolerances.

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Rare Metals For Sale Osmium, Ruthenium, Rhenium, Iridium ...

If you are a precious metals enthusiast then you probably already own coins, bars and ingots of silver and gold. Maybe even platinum, palladium and rhodium have found their way into your safe?

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rhenium tungsten

offers 622 rhenium tungsten products. About 26% of these are tungsten wire, 14% are other metals metal products, and 1% are tungsten bars. ... Gold Plus Supplier . The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery. Supplier Location .

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Rhenium | Re PubChem

Rhenium in the form of rheniumplatinum alloy is used as catalyst for catalytic reforming, which is a chemical process to convert petroleum refinery naphthas with low octane ratings into highoctane liquid products. Worldwide, 30% of catalysts used for this process contain rhenium.

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High Temperature Thermocouples DuroSense Corp.

Platinum TungstenRhenium 24 ga. (.020) and 30 ga. (.010) thermocouple elements have welded junctions. Insulators are round double bore alumina. Thermocouple protection …

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Rhenium Wikipedia

Rhenium in the form of rheniumplatinum alloy is used as catalyst for catalytic reforming, which is a chemical process to convert petroleum refinery naphthas …

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The Refractory Noble Metals and Rhenium | Johnson Matthey ...

“It is apparent,” write the authors, “in considering rhenium and the (above four) platinumgroup metals we are really talking about one family ... Room temperature twinning in molybdenum, tungsten and chromium appears to be promoted by 5 to atomic per cent of ruthenium or osmium and, to a lesser extent, by about the same amounts of ...

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SEKOM Rhenium, Molybdenum, Tungsten, Tantalum, Platin ...

SEKOM is company trading with RHENIUM, MOLYBDENUM, TUNGSTEN amd Tantalum, Platin, Platinum, Gold, Aurum, Silver, Argentum, Palladium,Ruthenium, powders, metal bars ...

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rhenium platinum tungsten

Rhenium and alloys. and platinum and its modulus of elasticity only by Rhenium vs. tungsten thermocouples can be used for temperature measurement and >>Advisory rhenium platinum hcds

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Rhenium/Tungsten Wire and Ribbon

Rhenium/Tungsten Wire and Ribbon is used in the manufacture of mass spectrometer filaments and heater coil as well as in the manufacture of thermocouples. ... (50% NI/50% FE) Platinum Rhenium Rhenium / Tungsten Rhodium / Platinum Silver Stainless Steel Type 302 304 Tantalum 90% Tantalum / 10% Tungsten Trophet "C" Tungsten NEW SISAlloy ...

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Rhenium (Re) 24 karat ring – RWMM

Rhenium is the fourth most dense metal (weighing g/cm3 compared with osmium at g/cm3, iridium at g/cm3, platinum at g/cm3, gold at g/cm3 and silver at g/cm3).

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Tungsten Wikipedia

Tungsten, or wolfram, is a chemical element with symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tung sten or "heavy stone". Tungsten is a rare metal found naturally on Earth almost exclusively combined with other elements in chemical compounds rather than alone. It was ...

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