Welding is a fabrication process that joins materials, mostly metals, by using high heat to melt the parts together and allowing them to cool, causing fusion. It is a widely used technique in the fabrication of equipment such as tubes or heat exchangers.
Latest welding news
Below you can find the latest newsitems that involve the topic of welding.
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Cobalt Alloy wire is an alloy made of metal cobalt. Cobalt alloy is a general name for one or several alloys of cobalt and chromium, tungsten, iron and nickel.
Xiris Automation Inc., a leader in the creation and manufacturing of welding cameras and weld inspection software, has announced that they have greatly expanded their technical sales representation in North America to better serve their customers.
BeAM and PFW Aerospace are glad to announce their partnership to qualify an aerospace component for a large civil passenger aircraft using Ti6Al4V which fulfils typical aerospace quality requirements.
Spanish welded steel tube specialist Bornay S.L. has ordered an HF (High Frequency) tube welding line, type RD 40, from SMS group for its Alicante works.
Henkel has helped Envases Técnicos Zaragoza S.L. (Entinox), a Spanish manufacturer of stainless steel beer barrels, set up an innovative pickling and passivating line using a nitric acid-free Bonderite process.
MagneGas Applied Technology Solutions, Inc. (MagneGas), a leading clean technology company in the renewable resources and environmental solutions industries, announced the completion of an acquisition of an independent industrial gas and welding supply distributor based in Longview, Texas.
The winners of the 2018 Sassda Columbus Stainless Awards have been announced at a glittering banquet in Johannesburg, South Africa, with 189 entries from 53 companies resulting in a stellar list of more than 60 finalists.
ESAB Welding & Cutting Products will feature hands-on demonstrations of Rebel™ EMP 205ic AC/DC, the world's first true all-process, portable, inverter-based welding system, at SEMA 2018 at the Las Vegas Convention Center.
MagneGas Applied Technology Solutions, Inc., a leading clean technology company in the renewable resources and environmental solutions industries, announced the completion of an acquisition of an independent industrial gas and welding supply distributor based in Shreveport, Louisiana.
Stainless steel is a popular material in various industries due to its corrosion resistance, durability, and aesthetic appeal. Here are some key points to consider when welding stainless steel:
Choose the appropriate welding process: There are several welding processes suitable for stainless steel, including Tungsten Inert Gas (TIG) welding, Metal Inert Gas (MIG) welding, and Stick welding (Shielded Metal Arc Welding). TIG welding is often preferred for stainless steel due to its precision and ability to produce high-quality welds.
Prepare the materials: Before welding, it’s important to clean the stainless steel surfaces to remove any contaminants, such as oil, grease, or dirt. Use a stainless steel wire brush or a dedicated solvent to clean the area.
Select the appropriate filler material: When welding stainless steel, it’s generally recommended to use a filler metal that matches or is compatible with the base metal. Commonly used filler materials for stainless steel welding include austenitic stainless steel filler rods or wires, such as ER308, ER309, or ER316.
Set the welding parameters: The welding parameters, such as current, voltage, travel speed, and shielding gas flow rate, will depend on the thickness of the stainless steel and the specific welding process being used.
Ensure proper shielding gas: Stainless steel welding typically requires the use of an inert gas, such as argon or a mixture of argon and helium, to create a protective atmosphere around the weld and prevent oxidation. The shielding gas should be supplied continuously and cover the weld pool adequately.
Maintain good joint fit-up and control heat input: Stainless steel has a relatively low thermal conductivity compared to other metals, so it’s essential to control the heat input during welding. Proper joint fit-up, including gap and root opening, helps control distortion and ensures proper fusion.
Post-weld treatment: Stainless steel welds may require post-weld treatment to restore corrosion resistance. This can involve processes such as passivation or pickling, which remove any oxides or contaminants from the welded area. The specific post-weld treatment will depend on the application and the stainless steel grade used.
It’s important to note that welding stainless steel can be complex, and there may be additional considerations depending on the specific application, grade of stainless steel, and welding codes and standards. If you’re not experienced in welding stainless steel, it’s advisable to consult with a professional welder or seek training to ensure proper techniques and safety precautions are followed.
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