Vacuum Arc Remelt (VAR)

Vacuum Arc Remelt (VAR)

Since 1963, Retech has enjoyed being a worldwide leader in the production of Vacuum Arc Remelt (VAR) furnaces designed to melt reactive and refractory metals as well as steel. Retech VAR furnaces can be configured for a range of capacities for producing ingots or castings, from a laboratory scale to many tons, depending on customer requirements. All the while providing the very latest in high-production, maintenance-friendly systems utilizing fully integrated process control architecture and built-in features for safe, efficient operation. We actively work with those customers to develop the necessary equipment solutions, including upstream and downstream components, as well as alloy and application development. Like all of Retech’s thermal vacuum metallurgical equipment, the capability of a Vacuum Arc Remelt system is limited only by the imagination of forward-thinking companies and their ability to take advantage of the state-of-the-art controls, dependability, and quality engineering.

Vacuum Arc Remelt (VAR) Productsdown-arrow

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VAR-T

Designed for Titanium, Zirconium and Reactive Metals, the Retech VAR-T consists of five major sub-assemblies, each component being independently built, pre-finished, assembled and tested prior to final installation. Such a modular approach repeatable assembly procedures, accuracy in making critical adjustments, performing incremental inspections, testing and greatly expedites shipment, offloading and on-site erection work.

Materials:

Reactive Metals, Refractory Metals, Amorphous Metals, Super Alloys

Applications:

Alloy Production, Ingot Casting, Atomization, Remelt Electrode Production

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VAR-S

The Retech VAR-S furnace is designed and optimized for the cleaner remelting standards associated with specialty steels and non-reactive metals. The VAR-S consists of just three major sub-assemblies, each being independently built, pre-finished, assembled and tested. This modular build approach enables repeatable assembly procedures as well as accuracy in making critical adjustments, performing incremental inspections, and testing. Ultimately the result is greatly expedited shipment, offloading and on-site erection work

Materials:

Super Alloys, Steel

Applications:

Alloy Production, Ingot Casting, Atomization, Remelt Electrode Production

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VAR-R

The Research environment typically involves small sizes, hands-on operation, and single melts. A Retech VAR-R design is a value-engineered arrangement providing a lower net investment and a reduced cost of ownership appropriate for research and development melting. The VAR-R furnace produces quality ingots using the same style of ram drive and power supply as well as options like X-Y positioning and shear-beam load cell type weigh systems found in the larger production VAR-T model furnaces.

Materials:

Reactive Metals, Refractory Metals, Amorphous Metals, Super Alloys

Applications:

Alloy Production, Ingot Casting, Atomization, Remelt Electrode Production

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Founded on Vacuum Arc Remelt (VAR) technology, Retech has been providing reliable and durable equipment since 1963.

Like all of Retech’s thermal vacuum metallurgical equipment, the capability of a Vacuum Arc Remelt system is limited only by the imagination of forward-thinking companies and their ability to take advantage of the state-of-the-art controls, dependability, and quality engineering.

Vacuum Arc Remelt (VAR) FAQ’s

Vacuum Arc Remelting (VAR) is a secondary melting process that is used to improve homogeneity in metal alloy ingots. This equipment can be used for reactive and refractory metals as well as high value steels.

Since 1963, Retech has enjoyed being a worldwide leader in the production of Vacuum Arc Remelt (VAR) furnaces configured for a range of capacities for producing ingots or castings, from a laboratory scale to many tons.

VAR is used for production of metal ingots that require high chemical and mechanical homogeneity. It is used on a variety of metals including various grades of stainless steel, alloy steel, titanium alloys, nickel superalloys, nitinol, zirconium, niobium, platinum, tantalum, and rhodium...among others.

Materials are processed in the VAR to remove or reduce contaminants and to allow the material to form the desired microstructure (grain structure) that will improve the performance in the desired application. Retech has primarily sold VAR equipment into the Titanium processing market so these materials would be titanium alloys. However, specialty steels often require VAR processing to increase the cleanliness and homogeneity of the ingots.

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