Welding ABC
How to weld aluminum
May 7, 2024
Some metals, like aluminum, have a naturally occurring, tough surface oxide layer. That surface oxide layer must be removed to enable successful welding. In the case of aluminum alloys, the surface oxide layer has a significantly higher melting temperature (approximately 2000°C) than the melting temperature of the aluminum base material (660°C).
Antti Kahri
Antti Kahri
Antti Kahri
A respected expert in the field of welding, who tragically passed away in early June 2025 while pursuing his passion on a fly fishing trip. As a Welding Engineer on Kemppi Oy’s Welding Team, he held the prestigious International Welding Engineer (IWE) qualification and brought over a decade of experience to developing advanced welding characteristics for TIG, MIG/MAG, and MMA welding machines, including the renowned X8 MIG Welder and MasterTig. Known for his deep expertise and commitment to welding excellence, he was passionate about enhancing the quality and efficiency of welding through user-friendly innovations. His legacy lives on in the technology he helped shape and in the inspiration he offered to colleagues and the wider welding community.
Related products
Product family
The Master M 205 and the Master M 323 set new standards for power and performance in a portable MIG welding machine. With a compact, lightweight design that's easy to carry, you'll enjoy having a portable MIG welder that can be moved wherever you need it.
Product family
The new master of AC and DC TIG welding, MasterTig sets new standards for weld quality, usability, and power efficiency. Its modular design ensures that your machine exactly meets your needs.
Product family
Minarc T ACDC is a portable multi-voltage welding machine that allows you to perform high-quality AC/DC TIG welding and professional weld cleaning with one machine.
More blog posts
High-quality pulse welding with a 1-phase MIG/MAG welding machine
The versatility of portable welding equipment has traditionally been limited by the lack of pulsed MIG/MAG welding. It has been argued that three-phase power is required to achieve high-quality MIG/MAG pulse welding.
Manual welding
What is pulsed MIG welding, and for what you can use it?
Pulsed MIG/MAG welding is a significant improvement in welding technology, offering accuracy, productivity, and flexibility that conventional welding methods can hardly compete with. This advanced process has become popular for professionals looking to improve weld quality, especially in demanding applications. Here's a closer look at how pulsed MIG/MAG welding works and the situations where it truly shines.
Welding ABC
What to consider when buying a welding machine?
Once a welding machine has reached the end of its life cycle, or a company expands its operations, it's time to find a new best friend for the welder. There is a wide range of welding machines on the market, and in many cases, comparing different brands and models is challenging. What kind of things should be considered when purchasing a welding machine?
Welding ABC
How WeldEye welding management software sets the standard for welding traceability
Welding traceability is becoming an increasingly essential requirement in industries where safety, quality, and compliance are paramount.
Digitalization
Cobot welding automates manual welding for superior efficiency and quality
Cobot welding integrates collaborative robots (cobots) into welding processes to enhance productivity, quality, and safety.
Welding automation
Kemppi Minarc T 223 ACDC: A professional welder's hands-on test
When it comes to welding equipment, real-world performance matters. Three professional welders put the Kemppi Minarc T 223 ACDC to the test.
Manual welding, People
