Welding and brazing


Articles on the welding and brazing sector. Discover all the news about welding / brazing.

Chalumeau sur chantier

Guide to safe usage of gas torches on construction sites

Working with gas torches on a building site requires compliance with safety standards. The following are the essential precautions to be taken when working on a building site. 1.    Preparing the site for the use of gas torches All combustible materials or those likely to cause a fire or explosion must be kept away fromRead more


Practical tips for making clean, strong welds using gas torches

When carried out under the right conditions, flame welding guarantees clean, strong and durable welds. Here’s how to use your gas torch properly for your personal or professional projects. 1.    Prepare a clean, well-ventilated workspace Your workspace needs to be perfectly clean so that no impurities get trapped in the molten metal. Outside, take theRead more

Soudure au gaz l'efficacité énergétique avec Express

How to optimize energy efficiency when using gas torches

Gas welding involves a high level of energy consumption for professionals. Solutions therefore need to be found to optimize the efficiency of your work tools. The design of the Express torch is constantly being revised to improve its performance, but you also need to apply other tricks to reduce your energy costs even further. 1.   Read more


Heat treatment of pipes

Extensive welding work – especially on pipelines – requires heat treatment to relieve residual welding stresses and to achieve appropriate mechanical properties of the joint. The weld thus offers perfect reliability. What is pipe heat treatment? All welding involves a modification of the structure of the metals concerned, and thus an alteration of their mechanicalRead more

Soudage à la flamme avec la lampe à souder Express Réf. 531 et son cercoflam

All about flame welding

Flame welding has many advantages. It is suitable for both professional and personal use. The flashlight is a valuable tool for homeowners to make all kinds of repairs. Here are the characteristics of flame welding. The different types of use of flame welding processes to weld The various flame welding processes fall into two categories:Read more

Soudage par temps froid

Welding in cold weather

If your welding process is flame welding, cold weather and inclement weather in general can cause problems. The latter appear during the work itself, but can also call into question the quality of the welds in the long term. Besides the discomfort for the welder, it is important to take some precautions to protect yourRead more

soudure climatisation

Soldering an air conditioning circuit

The meticulous design of the piping for an air conditioning system is a guarantee of its efficiency. The refrigeration technician then cuts his copper pipes. Finally, he welds the air conditioning pipes with a blowtorch. The refrigeration technician’s tools. The refrigeration technician’s tools are subject to conformity checks every year. You must equip yourself withRead more

Bouteille azote

Why use nitrogen to weld

Nitrogen welding offers multiple advantages. This method is now applied to work on electronic components that require high precision. What are the applications of nitrogen welding Nitrogen soldering is mainly used in the assembly of electronic components and for all operations on printed circuits. The work to be carried out requires more and more precision, Read more

Soudure sur navire GNL

Welding in an LNG (Liquefied Natural Gas) vessel

LNG – Liquefied Natural Gas – is a hazardous operation both in terms of storage and transport. This fuel, which is increasingly used by the merchant navy, is the subject of every precaution, as any leakage would lead to tragedy. Risks of liquefied gas leaks on LNG carriers LNG is a gas liquefied at -163°C.Read more

Souder de la fonte

Welding cast iron

La fonte fait partie des plus anciens alliages connus de l’humanité, utilisée dès 500 avant Jésus Christ en Chine. La fonte est un alliage de fer et de carbone, le carbone étant largement minoritaire, entrant pour moins de 7 % dans la composition. La fonte est très prisée pour sa grande fluidité et sa faible rétractabilité.Read more

détendeur gaz

The good habits when a regulator freezes

If you work outside during a harsh winter or if you neglect to store your devices in a heated room at a minimum, you may not be able to use them temporarily. Indeed, if your gas freezes, it can no longer come out of the bottle and you can only wait. It is also possibleRead more

soudure à la flamme

Performing a flame weld in complete safety

Flame welding involves risks that should be prevented by appropriate gestures, as well as by appropriate equipment. Here are the precautions to take to avoid burns, gas fumes and eye irradiation, when welding with a flame. Clothing to protect the welder The welder’s clothing must comply with the EN-ISO 11611 standard which has replaced theRead more