Gas Metal Arc Welding – Power Circuit

Gas Metal Arc Welding – Power Circuit

In part 3 of the Gas Metal Arc Welding (GMAW) blog, we will discuss the power circuit. Often people forget the basics when setting up gas metal arc welding machines, it’s these basics that create a lot of frustration with welders. Welding is complex but it doesn’t...
An overview of the mechanical properties of metals

An overview of the mechanical properties of metals

Mechanical property is a material’s capacity to cope with a range of applied external forces such as shear stresses, load, weather conditions, and time. Mechanical engineers can measure the ability of the metal to resist shearing, stretching, twisting, compressing or...
Why do we use Colour in Welding?

Why do we use Colour in Welding?

There is a myriad of reasons you might, or might not, like your welds or metal to display a variety of colours. You may be a sculptor creating a new piece of welded steel artwork, the colours are unlike anything else. Welding in itself is an art. The various colours...
The Basics of Electricity in Welding

The Basics of Electricity in Welding

Arc Welding is the process by which two pieces of metal are joined together by the use of electrical energy. Arc welding creates an electric arc that melts the base metal and typically a filler wire. The subsequent pool of molten metal then solidifies and fuses the...
WPS, PQR and WPQ: The Acronym Soup Explained

WPS, PQR and WPQ: The Acronym Soup Explained

The basic requirement of welding management is having a qualified welding procedure and qualified welders to AS1554 or AS3992. When starting a project, it is important to understand what the project requires, or you may get caught out. As a minimum, the purchase order...