Arc Welding NZ: The Basics of this Popular Welding Technique

Arc welding is a popular technique used in New Zealand for joining metal components together. It is the most widely used welding process in the world and is used for a variety of applications. This article will explain the basics of arc welding and how to get started in New Zealand.

What is Arc Welding?

Arc welding is a process that uses an electric arc between an electrode and the workpiece to produce a weld. The arc is generated by applying a current between the electrode and the workpiece. Heat is generated when the electric arc melts the metal and creates a weld. The weld is then cooled to create a strong joint.

Advantages of Arc Welding

Arc welding is one of the most versatile welding processes available due to its ability to weld a variety of metals and alloys. It is also faster to set up than other processes as it does not require as much preparation. The process is also economical as it requires less energy and supplies than other welding processes.

Safety Guidelines for Arc Welding in NZ

Arc welding is a potentially hazardous activity and it is important to adhere to safety guidelines to prevent injury and burn hazards. Protective clothing, including a welding helmet, gloves, and flame-resistant clothing, should be worn at all times. Additionally, welding should be performed in a well-ventilated area and all welding debris should be removed after use.

Types of Arc Welding

There are three main types of arc welding: shielded metal arc welding (SMAW), gas metal arc welding (GMAW), and flux-cored arc welding (FCAW). SMAW is the most common type of arc welding and is used for a variety of applications. GMAW is used mainly for joining thin and light materials and FCAW is used mainly for outdoor applications. Each type of welding has its own benefits and drawbacks, so it is important to select the type of welding that is best suited to the application.

Arc Welding Equipment

In order to perform arc welding, the proper equipment must be used. This includes an arc welding machine, electrode holders, cables, and clamps. It is also important to have the correct electrodes for the job. Different types of electrodes are available for different types of metals and applications. It is important to select the correct type of electrode for the job to ensure the best results.

Arc Welding Training and Certification in NZ

Arc welding is a skilled trade and it is important to receive proper training and certification before performing any welding operations. There are a number of welding schools in New Zealand that can provide training and certification. Additionally, there are a number of industry organizations that offer welding certification. These certifications are important for demonstrating competency and for gaining employment.


Arc welding is a popular welding technique used in New Zealand for joining metal components together. This article has provided an overview of arc welding and the different types of equipment that is needed. Additionally, it has provided information on safety guidelines and training and certification. By adhering to the safety guidelines and obtaining proper training and certification, welders can ensure that they are able to safely and effectively use arc welding in New Zealand.

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