AWS-CWI examination Archives - Material Welding

What is an Inverter Welder?

Welding Inverter Inverter devices for performing manual arc welding are becoming an increasingly popular type of equipment. They are radically

Best Welding Rod for Cast Steel The best welding rod for cast steel depends on two main factors: the application

Stress Relief in Welding Stress relief in welding is a post-weld heat treatment (PWHT) process used to relieve the residual

What is Tungsten Color? Tungsten is a chemical element with the symbol ”W” and atomic number ”74”. It is a

MIG vs TIG Welding: Basics In this post I have covered the main differences between TIG Welding and MIG welding.

Is stick welding electrode positive or negative? Stick welding, also known as shielded metal arc welding (SMAW), is a popular

What is Hot Tapping? A hot tap, also known as a pressure tap or wet tap, is a method of connecting

Metal Tubing Shapes Tubing is generally round, but there are other shapes available in the market. Each shape has benefits

Hot rolling and cold rolling are two of the most commonly used methods for shaping metal sheets or strips. While

Bending metal rods is a task that often comes up in DIY projects and industrial applications. While heat can be