refractory metals tungsten

Refractory Metals Tungsten


Niobium, formerly known as columbium, is a stone element with the symbol Nb and atomic number 41. Niobium is a light grey, crystalline, and ductile transition metal. Pure niobium has a hardness similar to that of pure titanium, and it has similar ductility to iron. Niobium oxidizes in the e…


Molybdenum is a stone element with the symbol Mo and atomic number 42. The name is from Neo-Latin molybdaenum, from Ancient Greek Μόλυβδος molybdos, meaning lead, since its ores were confused with lead ores. Molybdenum minerals have been known throughout history, b…


Tantalum is a stone element with the symbol Ta and atomic number 73. Previously known as tantalium, its name comes from Tantalus, a villain from Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It is part of the refractory met…

Learn About Refractory Metals - The Balance

Dec 10, 2018 · Learn About Refractory Metals ... Widia, the first commercially available tungsten carbide, was developed by Osram Company (Germany) and marketed in 1926. This led to further testing with similarly hard and wear resistant metals, ultimately leading to the development of modern sintered carbides.

Home | Refractory Metals and Alloys

Find High Purity Refractory Metals. You’re getting the highest quality refractory metals direct from the manufacturer. All of our products, including powders, wire, plate, sheet, and rod, are manufactured to the strictest standards in the USA.

WM0125 Tungsten Nickel Iron Alloy | Refractory Metals and ...

Advanced Refractory Metals has 20 years of experience manufacturing and distributing high-quality tungsten-nickel-iron alloy (W-Ni-Fe Alloy). Various shapes are available. Specifications of Tungsten Nickel Iron Alloy

Midwest Tungsten Service - High Quality Refractory Metals

Midwest Tungsten Service Reliable History MTS – Serving Our Clients Since 1958. Thomas LaBounty, founder of Midwest Tungsten Service was passionate about supplying the best possible product, and also about educating his customers on how to achieve the best results with those products.

Copper Tungsten, Molybdenum, and other Refractory Metals

Copper-Tungsten C74350: Class 12 Copper Tungsten contains 20% copper and 80% tungsten. Stronger than Class 10 and 11 Copper Tungsten, it is commonly used in heavy duty projection welding electrodes, electro-forming and -forging electrode facings for upsetting studs and rivets, and cross wire welding.

High Tech Material Solutions buy Refractory Metals ...

HTMS offers custom fabricated components and semi-finished stock from tungsten, refractory metals, ceramics, sapphire, heat sinks, crystals. HTMS offers custom fabricated components and semi-finished stock from tungsten, refractory metals, ceramics, sapphire, heat sinks, crystals.

Tungsten Tubing - Tube Hollows International

Tungsten is a very dense material, almost as dense as gold, and 50 percent more dense than lead. However, this refractory metal is far more environmentally friendly than lead and less expensive than gold. Tungsten’s density makes it an ideal radiation shielding material for use in medical devices (e.g. radiotherapy devices).

Refractory Metals | ACHEMETAL Inc

Producer and Distributor of Refractory, Ferro, Carbon and Minor Metals Home. About Us . Refractory Metals. Ferro Alloys. Graphite/Coal & Coke. Minor Metals. ... Tantalum. Pure Tantalum – RO 5200, RO 5400. Tantalum 2.5% Tungsten – RO 5252. Tantalum 10% Tungsten – RO 5255. Tantalum 37% Niobium – RO 5240. Flat Rolled per ASTM B-708. Rod ...

What are Refractory Metals -

Refractory metals have one characteristic in common: an exceptionally high melting point. Tungsten, for example, melts at 3410 o C (6170 o F), which is more than double that of iron and ten times that of lead.

Refractory Metals - Molybdenum - Tungsten - Titanium ...

Metals – Dale Engineering. Dale Engineering is a full service precision CNC machine shop specializing in small to medium size components made from Molybdenum, Tungsten and other exotic metals. We are located in Bedford, Massachusetts and some of the industries we service are: Medical, Bio-tech, Electronics and Semi-Conductor Industries.

Welding of Reactive and Refractory Metals

Refractory metals have extremely high melting points. They may also exhibit some of the same characteristics of reactive metals. The refractory metals are: Tungsten Molybdenum Tantalum Columbium (Niobium) The reactive metals are: Zirconium Titanium Beryllium The reactive and refractory metals were originally used in the aerospace industry and ...

Refractory Metal - an overview | ScienceDirect Topics

Refractory metals, molybdenum, tungsten, niobium, tantalum, and rhenium have a number of characteristics in common.They are all BCC metals, and as shown in Figure 1(a), have some of the highest melting points among the elements. Tables 1–4 also show that they have very high densities; of the first four metals niobium has the lowest at 8.57 g cm −3 and tungsten the …

Tungsten heavy alloy - - create the perfect ...

Heavy metals are tungsten composite materials, which are made partly by impregnation and partly by eutectic sintering. This produces materials with optimal properties for use in aviation and space travel as well as radiation protection: A high specific weight is combined with good ductility and high strength.

Tungsten Heavy Alloy Supplier - Mi-Tech Tungsten Metals

AdHD Tungsten Alloy Plates, Rods, Sheets. Get a Quote Today from our Tungsten Alloy Experts. Made in the USA. Visit us at or call today.

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