IRISNDT Ltd Heat Treatment Services

Since 2001, IRISNDT Ltd has had a policy of continuous improvement, striving to provide our customers the latest technology and equipment available.


IRISNDT Ltd provide a broad range of Heat Treating and Bolting Services in a safe, timely and cost effective manner. These include:

  • Preheat and Stress Relieving (PWHT)
  • Resistance Bolt Heating
  • Refractory Curing / Dry-outs
  • Plastite / Glass Curing
  • Turbine Warm Ups
  • Thermal Expansions
  • Line Thawing
  • Wireless via PC link from any location - worldwide


Industries that may find these services valuable include:

  • Power Generation Facilities
  • Petroleum Producers
  • Petrochemical Facilities onshore / offshore
  • Pulp & Paper Mills
  • Fabrication Facilities
  • Gas Plants & Pipelines
  • Refractory Industries
  • Renewable wind turbines onshore / offshore

Additional services available include: NDT services through SPI-Matrix Inspection.

IRISNDT Ltd has support through our corporate office located in Oklahoma, as well as other offices within the US and Canada. Our core group of staff and field technicians have over 100+ combined years of experience in providing heat treating and bolting services. We commit to providing quality and service on each and every shift. Our Quality Assurance Programme is designed to meet all codes or customer related procedures. We are ISO 9001:2008 accredited.

Our onsite services consist of Heat Treatment and Bolting with a variety of portable equipment to meet customers onsite or shop requirements. We also have our electric furnaces located at TTI workshop. As we are now fully into the digital age and information is a key to success, we can provide wireless via PC link from any location - worldwide. Digital Heat Treatment Reports as well as Digital Charting capabilities. We also provide paper charts for clients who still prefer that type of reporting.


Middleplatt Road,
NE Lincs
DN40 1AH

  Telephone: +44 1469 572204

Fax: +44 1469 577662



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