Specialist welding

High-precision TIG welding for stainless steel. Clean beads, controlled penetration and hygienic finishes for the food industry.

TIG welding for stainless steel

Welding at Eminox Tech centres on TIG (GTAW) processes for stainless steel, ensuring joints of the highest quality, corrosion resistance and finishes suited to hygienic environments.

Our certified welders work with AISI 304, 316 and 316L, following EN 1090 standards and the specific requirements of the food industry.

Main applications

Food industry Processing equipment, tables, hoppers
Structures Frames, supports, mountings
Containers Vessels, tanks, receptacles
Components Complex assemblies, subassemblies

TIG welding process

A structured methodology that guarantees top-quality joints and hygienic finishes.

Preparation

Edge cleaning, oxide removal, fit-up checks and selection of a compatible filler material.

Mechanical and chemical cleaning
Tolerance checks
Electrode selection
Inert gas preparation

Tacking

Strategic tack welds to hold alignment and prevent distortion during the process.

Precise positioning
Fixing points
Distortion control
Alignment check

Bead

Running the weld bead with control of amperage, speed and filler material for optimal penetration.

Temperature control
Constant travel speed
Argon shielding
Uniform penetration

Cleaning

Removal of surface oxidation, bead cleaning and passivation to restore corrosion resistance.

Bead brushing
Chemical pickling
Surface passivation
Visual inspection

Quality control

Inspections and checks to guarantee the integrity of the welded joints.

Visual inspection

Bead verification and detection of porosity, cracks, undercut and surface defects to EN ISO 5817.

Bead continuity
No cracking
Uniform penetration
Surface finish

Dimensional measurement

Distortion control, final geometry verification and dimensional tolerance checks.

Distortion measurement
Flatness check
Angle control
Dimension verification

Documentation

Welding parameter records, welder certificates and full traceability of the process.

WPS (welding procedure)
EN 1090 certificates
Inspection reports
Material traceability

Welding and assemblies

Examples of TIG welding work and complex assemblies we have produced.

Soldadura — Equipos de procesado — Processing equipment

Tanks, vessels and containers with continuous TIG welding and a sanitary finish for food contact.

TIG welding in detail

TIG welding of stainless steel for industrial applications.

Certifications and standards

Compliance with international standards for stainless steel welding.

EN 1090

Execution of steel and aluminium structures

EN ISO 5817

Quality levels for fusion welding

EN 1672-2

Machinery for the food industry

EN ISO 9606

Welder qualification

Need specialist welding?

We have EN 1090 certified welders and experience in hygienic applications. Ask us for technical information or a quote.

Get in touch Request a quote

Contact

For technical enquiries, quotations or information about our welding services.