Articles & Podcast Episodes

Electric arc welding joins metals using an electric arc to generate intense heat. The arc forms at the electrode tip when current passes through a gap to the grounded metal. This process causes localized fusion of the parent and filler materials. Refer to the diagram for a clear view of the electric arc welding components. … Read more

The minimum protective shade for arc welding depends on the arc current. For Gas Metal Arc Welding (GMAW) and Flux Cored Arc Welding (FCAW): use shade 7 for less than 60 amps, shade 10 for 60-160 amps, and shade 11 for 160-500 amps. Follow these guidelines to ensure safety and meet OSHA standards. For instance, … Read more

The Procedure Handbook of Arc Welding, published by Lincoln Electric, is a comprehensive guide for welders. It covers key welding techniques and safety guidelines. The 14th edition features over 900 pages of updated information, photographs, drawings, and charts, making it an essential tool for practical training in arc welding. The handbook also provides troubleshooting insights … Read more

Shielded Metal Arc Welding (SMAW) is an arc welding process defined by the American Welding Society (AWS). It uses an electric arc to form a molten weld pool between a covered, disposable electrode and the pool. The flux coating on the electrode protects the weld from contamination during the welding process. An essential overview of … Read more

Oxyacetylene welding uses a torch to create heat that melts steel. Arc welding, on the other hand, generates higher temperatures, reaching up to 10,000°F using an electric arc. Oxyacetylene is best for thicker materials, while arc welding provides faster speeds and better penetration. Each method has unique advantages and applications. The costs associated with oxy … Read more

Gas welding uses flammable gases to melt metal at lower temperatures, around 3,500°F. It works well for thin materials. Arc welding uses electricity, producing higher temperatures. It is faster and better for thicker steel. MIG (GMAW) and TIG (GTAW) are two types of arc welding, both known for their efficiency and versatility in different applications. … Read more

Oxy-acetylene welding uses flames to melt steel but reaches lower temperatures than arc welding. Arc welding relies on an electric arc to produce high temperatures, up to 10,000°F. Both welding techniques effectively join metals, but they suit different practical applications based on heat needs and material types. Key differences include heat source and application. Oxy … Read more

Electric arc welding uses intense electrical energy to create plasma, a conductive gas channel. The plasma temperature ranges from 3,500 to 15,500 degrees Celsius. This extreme heat melts metals, allowing them to fuse together and form a strong bond. Several factors influence electric arc welding temperature. These include the type of material being welded, the … Read more

Arc welding, particularly Shielded Metal Arc Welding (SMAW), is a key technique for beginners. It uses an electric arc to melt a flux-covered electrode, joining metal pieces. Practicing on scrap metal is essential. Focus on technique, like maintaining arc length. Always wear a welding mask for safety. Next, preparation is key. Clean the surfaces of … Read more

Arc welding electrodes for mild steel include E6010, E6011, E6013, E7014, E7018, and E7024. These welding rods suit different applications and positions. An amperage chart shows current needs and penetration strength. This guide helps choose the right electrode based on the thickness of the metal and surface preparation conditions. Welding rods vary in composition, including … Read more