Articles & Podcast Episodes

Arc welding is an efficient welding process for cast metal, especially cast iron. It utilizes welding rods that have a graphite-rich flux. This flux connects with carbon in the cast iron, reducing its movement into the weld area. Choosing the correct welding rods is essential for creating a strong and durable weld in cast metal … Read more

An arc welding butt joint, also known as a butt weld, joins two metal pieces that lie in the same plane. An electric arc fuses the edges together. This method is commonly used in fabrication for structures and piping systems because it provides strong and efficient connections. Control the heat input during the welding process … Read more

To treat arc welding burns, first cool the burned skin with water. Use topical steroids for relief and apply aloe vera to soothe the area. Consult a doctor for appropriate treatment. To prevent more skin damage, avoid sun exposure and wear protective gear while welding. Effective remedies for treating arc welding burns involve several steps. … Read more

An arc welding bead is the visible metal deposit formed during welding. It occurs as a welding torch or electrode moves along a joint. The molten metal cools and solidifies, giving the bead a raised appearance. Making multiple passes along the seam improves the strength and integrity of the weld. The technique used to create … Read more

Travel speed faults in arc welding include: – Speed OK: The bead has consistent, semi-circular ridges. – Speed Too Fast: Excessive speed creates a thin, weak bead with elongated, triangular ridges. – Speed Too Slow: Welding too slowly produces a wide, tall buildup. Each fault impacts the overall quality and strength of the weld. Identifying … Read more

The optimal height for an arc welding bead is about one-eighth of its width. If you use a 1/8″ (3.2 mm) diameter electrode, the bead width should be 1/4″–3/8″ (6.4 mm–9.6 mm). Therefore, the height should be approximately 1/32″–3/64″ (0.8 mm–1.2 mm) to achieve good weld quality. Another important factor is the filler metal type. … Read more

To create a perfect arc welding bead, keep a steady distance of about 3mm from the workpiece. Use a 6010 rod at a nearly perpendicular electrode angle. Adjust your travel speed to control bead size. Fill craters for added strength and practice consistently to improve spatter control. These techniques are ideal for beginners. Secondly, adjusting … Read more

The bead width in Shielded Metal Arc Welding (SMAW) is usually 2 to 3 times the electrode diameter. Factors like joint design, welding position, and penetration affect this width. Adjusting these elements ensures optimal weld quality and strength. Aim for the recommended width to achieve the best results in your project. Electrode diameter is another … Read more

Burning holes in arc welding happen due to gas entrapment in the weld pool. This issue can arise from insufficient gas flow or turbulence. Porosity and slag inclusion, common with 6013 electrodes, also contribute. To prevent holes, adjust the voltage and fine-tune the amperage for a consistent weld puddle. To prevent arc welding burning holes, … Read more

Plasma Arc Welding (PAW) is a precise welding process that uses a focused arc to melt metals. It is suitable for various metals and serves as an alternative to gas tungsten arc welding (GTAW). Important topics in a PAW book include techniques, applications, weld quality, equipment, safety measures, and best practices for training. The guide … Read more