TA/Reactive Metal Equipment and Repair Center

Mersen's service center and fabrication facility, strategically located in Salem, VA, provides a complete spectrum of production and repair capabilities.

With more than 96,000 square feet of combined fabrication and machining area, Mersen offers services on-site for planned maintenance or emergency outages.

  • 96,000 sq ft repair shop
  • 6,000 sq ft dedicated climate-controlled Ta/RME area
  • Certified Code Repair Facility
  • ASME section VIII "U" stamp and NBIC compliant
  • Inventory of Ta, Zr and Ti Tubing and Sheet & Plate to support repair work

4 recent jobs

Tantalum Heat Exchanger Retube mersen

Tantalum Heat Exchanger Retube And Repair

Complete overhaul of other manufacturers' tantalum shell and tube exchanger that had over 10% tube failure.

titanium Pipe Spools mersen

Pipe Spools

Pipe spools fabricated from titanium grade 7 for a lethal service application with 100% radiography testing.

Acid Injection zirconium Nozzle mersen

Acid Injection Nozzle

Acid injection nozzle fabricated from zirconium 702 and heat treat annealed

Tantalum Lined Channel Head Repair mersen

Tantalum Lined Channel Head Repair

Tantalum lined condenser channel experienced cyclic fatigue which lead to a cracked liner at stay bolt location.  Liner was removed for thorough repair and reinstalled utilizing all existing material.

Salem, Virginia on-site and field services

Services offered:

  • Visual inspections, testing, reporting of findings
  • Reactive Metal equipment welding and fabrication
  • Reactive Metal piping welding
  • Repair of solid, lined, cladded RME equipment
  • Retubing and repair of RME heat exchangers
  • Repairs of other RME components and parts such as piping spools, injection nozzles, lined heads, lined plates
  • Hydro, air/soap, helium leak testing, dye penetrant inspection
  • Machining
  • Heat treat oven
  • Engineering calculations, drawings & design expertise

Field Services:


  • Fit and weld RME piping spools and assemblies
  • Assessments
  • Repairs – vessels, columns, heat exchangers, agitators
  • Alterations
  • Tantalum
  • Zirconium
  • Titanium including Ti-Palladium
  • Duplex Stainless Steel
  • Nickel Alloys

Salem, Virginia team

Jonathan Branch – Ta/RME Shop Manager

Jon started with AstroCosmos Metallurgical in 2008 as a Quality Control Inspector and became a Supervisor in 2011. In 2014 Jon transferred to the Louisiana fabrication facility and was promoted to Quality Assurance Manager. Jon has 21 years of experience in metal fabrication; 16 of those years have been in inspection and 11 years exclusively with reactive/refractory alloys. Jon is extremely knowledgeable with ASME, NBIC, TEMA, PED and SQL code requirements. In 2020, Jon relocated to the Salem facility as part of his promotion to Ta/RME production manager.
Phone: (540) 378-0358
E-mail: jonathan.branch@mersen.com
Expertise:Fabrication and inspection of reactive metal and graphite chemical process equipment, AWS Certified Welding Inspector, Level II RT, MT, PT, GPR technician

David Frey - RME Technology Manager

David was employed by “AstroCosmos Metallurgical” from 1991 to 2017. He served in various positions including Quality Manager, Engineering Manager, Director of Project Management, VP Technology and Business Manager. David has extensive experience in reactive metal equipment design, fabrication, inspection and testing. David is an ASTM B10.0.3 Subcommittee Chairman (Ta & Nb) and an NACE TEG120x Reactive Metal Task Group Officer.
Phone: 805 402 5710
E-mail: david.frey@mersen.com
Expertise: Tantalum, zirconium and titanium metals, welding metallurgy and explosive clad fabrication of these metals