YOUR BEST SOLUTION PARTNER

Explore Our Industries And Services

Postweld Heat Treatment

We have in our installations furnaces to post weld heat treating of large vessel pressures or vesse.

Welding Preheat & Hydrogen Bake-Out

Preventing weld cracking and improving metallurgical properties.

Electrical Heat Treatment

Enhancing durability and performance of refractory linings for industrial furnaces.

Heat Band Simulation Using FEA

Finite Element Analysis (FEA) models thermal stress distribution in a heat band
capturing the effects of temperature gradients and material expansion.

Field Machining Services

On-site machining for accurate and efficient equipment maintenance.

Engineering Services

Tailored solutions to optimize industrial processes and infrastructure.

We Love It Hot

Explore Our Industries And Services

Postweld Heat Treatment

We have in our installations furnaces to post weld heat treating of large vessel pressures or vesse.

Welding Preheat & Hydrogen Bake-Out

Preventing weld cracking and improving metallurgical properties.

Electrical Heat Treatment

Enhancing durability and performance of refractory linings for industrial furnaces.

Heat Band Simulation Using FEA

Finite Element Analysis (FEA) models thermal stress distribution in a heat bandcapturing the effects of temperature gradients and material expansion.

Field Machining Services

On-site machining for accurate and efficient equipment maintenance.

Engineering Services

Tailored solutions to optimize industrial processes and infrastructure.

WHO WE ARE

Hotwork Heat Treatment & Specialized Services (HTS) is part of the Hotwork International Group, a global leader in combustion, heat treatment, and industrial services. With origins dating back to 1962, we have grown into a trusted partner for the glass, aluminum, copper, oil & gas, and other industrial sectors worldwide

HTS specializes in thermal treatment solutions designed to improve weld integrity, reduce thermal stress, and prolong the life of pressure vessels, towers, tanks, and pipelines. Our experienced engineering team uses advanced software tools for thermal calculations, weight and wind load analysis, and Zick analysis for horizontal vessel supports.

The journey began with the establishment of our first location, Heat Treatment and Specialized Services Portugal, providing strategic coverage across Southern Europe. In 2025, we expanded with the launch of Heat Treatment and Specialized Services The Netherlands, our second operational hub, enhancing our reach and responsiveness throughout Western and Northern Europe.

In 2022, HTS proudly joined the Hotwork International Group, further elevating our technical capabilities and global footprint. With over 600 specialized technicians and engineers, we operate in 65+ countries, delivering a 48-hour global response time and unwavering commitment to quality, innovation, and sustainability.

Flexibility, expertise, and 24/7 availability—partner with HTS for world-class thermal solutions and dependable global service.

WHAT WE DO

Combustion Icon

Post Weld Heat Treatment

Ensuring the strength and durability of welded components, our Post Weld Heat Treatment (PWHT) service relieves residual stress, improves material properties, and prevents cracking in welded structures. This process enhances the longevity and performance of industrial equipment.

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Furnace Heat Up Icon

Welding Preheat / Hydrogen Bake Out

Our Welding Preheat and Hydrogen Bake Out services reduce the risk of weld failure by controlling temperature during and after welding. Preheating minimizes thermal stress, while hydrogen bake-out removes trapped hydrogen, preventing weld cracking and ensuring structural integrity.

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Co2 Reduction Icon

Refractory Dry-Out

We specialize in Refractory Dry Out, a critical process for curing and strengthening refractory linings in furnaces, kilns, and industrial vessels. Our controlled heating procedures prevent thermal shock, moisture retention, and premature failure, ensuring long-lasting refractory performance.

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Featured Services

Our Services:

  • Post Weld Heat Treatment
  • Pre-Heating
  • Hydrogen Bake Out
  • Dry Out
  • Engineering
  • Sales and Rental
  • Cold cut and Beveling

Our Equipments

  • 50 kVA
  • 35 kW Unit
  • HV-1500
  • HV-3000
  • HVO-3600

Our Industries

  • Refineries
  • Petrochemical
  • Steel
  • Hydrocarbon
  • Power Plant
  • Shipyards \ Constructions
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