Purging Methods for Weld Purity

purging methods purity weld

By Dr Michael Fletcher of Delta Consultants 

Design, fabrication, and maintenance practices that can meet exacting purity requirements of ASME 31.3 are crucial to the food, pharmaceutical, and semiconductor industries.

Demands for improvements in piping fabrication quality have risen exponentially in recent years.

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Optimizing Tungsten Electrode Performance

TP Banner Optimizing Tungsten Electrode Performance

Proper preparation can lead to an increase in electrode life and better welds. Optimizing Tungsten Electrode Performance.

While hand grinding can be tolerated in some circumstances, producing welds for safety-critical applications and where weld properties must meet stringent inspection criteria needs a more controlled approach. Following are some tips for optimizing electrode preparation, which can lead to a significant increase in electrode life.

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Gas Tungsten Arc Welding Electrodes

tungsten arc welding electrodes

The most versatile technique for producing fusion welds to the highest quality standards

When inert gas shielded arc welding was introduced nearly 60 years ago, few would have imagined the impact the process and in particular the non-consumable electrode version, would have on the fabrication industry world-wide.

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High Quality Welds in Oil/Gas Pipelines


World Pipelines Contribution

Joints of high quality between cylindrical sections such as tubes and pipes can only be made by ensuring that: atmospheric gases are eliminated and positive, smooth weld reinforcement is provided.

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Previous Technical Articles

The following Technical Articles are available as 'downloads' to also assist

Tube and Pipe Welding
Welding and Cutting

Help is on Hand for Pipe Welders
Process Industry Informer

Gas Purging for Pipe Welding
Welding & Metal fabrication

Glass Fibre Tape Materials – The Cost-Effective Solution to Weld Backing
Welding & Cutting

Electrode Preparation Prevents Poor Weld Performance
Tube International

The use of Water Soluble Film for Pipe Purging
Stainless Steel Focus

Keeping it Clean (Welding Titanium in an enclosure)
American Welding Society Journal

Continuous Development
Stainless Steel Focus

Prior Electrode Preparation prevents poor Weld Performance
Tube International