Welding

Welding stainless steel

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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Fronius iWave PRO Versatility in automated welding

Fronius iWave PRO Versatility in automated welding

The Fronius iWave PRO automatic welder is now available in power categories 300i, 400i and 500i with several options
CRC Evans signs a major contract with COOEC

CRC Evans signs a major contract with COOEC

CRC Evans has announced the signing of a contract with COOEC to deliver critical welding services for the Ruya Batch 1 Project
Spartan Robotics introduces 7-axis welding cell

Spartan Robotics introduces 7-axis welding cell

Spartan Robotics has partnered with Kassow Robots and Fronius to design a 7-axis cobot welding cell
ESAB supports skilled trades with Blue Collar Tour

ESAB supports skilled trades with Blue Collar Tour

As part of the ESAB Future Fabricators program, ESAB has announced that it will sponsor WesternWelding Academy's 2025 "Blue Collar Tour
ESAB launches Rustler EM 280 PRO

ESAB launches Rustler EM 280 PRO

ESAB has unveiled the Rustler EM 280 PRO, its next generation inverter-based MIG welder
Award recognition for “InProcess” welding inspection

Award recognition for “InProcess” welding inspection

InProcess has received the Converge Challenge Award for their welding inspection system using ultrasonic waves
LZH develops a new process for hybrid laser arc welding

LZH develops a new process for hybrid laser arc welding

LZH develops a hybrid laser arc welding process using thick wire, boosting efficiency in welding thick sheets with fewer layers.
iWave Multiprocess PRO with Fronius CMT Additive Pro

iWave Multiprocess PRO with Fronius CMT Additive Pro

CMT Additive Pro from Fronius is a revolutionary, 3D-optimized welding process designed to work with the iWave Multiprocess PRO
EWM introduces React welding process

EWM introduces React welding process

EWM has introduced the React welding process, with power source, integrated RCC module, and the new React unit
Nederman updates PAK-M and PAK-M DX for cleaning apps

Nederman updates PAK-M and PAK-M DX for cleaning apps

Nederman has updated their PAK-M and PAK-M DX vacuum dust collector for the extraction of welding fumes and other dust types.


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.