Tariqul

Gas metal arc welding (GMAW) is a key metal joining process widely used in manufacturing. It uses a continuously fed consumable wire electrode. An electrical arc forms between the electrode and the workpiece, melting the metal to create strong welds. GMAW is known for its speed and versatility in various applications. Guidelines for effective GMAW … Read more

Submerged arc welding produces temperatures from 3000 to 20,000 °C. According to the Bartels method, it typically ranges from 7000 to 9000 K. Preheating may be needed for thick materials. This method offers good heating efficiency, effective shielding, and ensures safety while managing welding fumes. However, excessive heat can adversely affect the material properties of … Read more

To arc weld thin sheet metal, set a low amperage and use a thin electrode, such as 6013. Move quickly along the joint to prevent overheating. Form a puddle and let it solidify to avoid burn-through. Use DCEN polarity for shallow penetration. Follow best practices and tips for better results in stick welding. Preparation is … Read more

Arc welding thin wall tubing requires careful heat concentration. Use a 3/32” rod angled at the thicker sections for better results. Focus on techniques like maintaining the correct arc length and reducing drag. Practice on EMT tubing after removing the zinc coating. Proper technique is crucial for creating strong, reliable welds. However, challenges abound in … Read more

TIG welding is a precise method ideal for thin materials. Arc welding creates strong joints and is suitable for thicker materials. TIG is slower but provides better control. Both methods can be used outdoors and underwater, making them versatile for various applications in industries such as construction and manufacturing. The advantages of TIG welding include … Read more

Arc welding in Australia needs correct amperage and technique. Your weld should be twice the electrode width. Keep the arc length within the electrode diameter. Maintain cleanliness in your workspace. Wear safety glasses for UV protection. Follow all safety precautions and adjust current settings and argon flow for the best results. Arc welding is a … Read more

Arc welding symbols offer crucial details for welds in construction drawings. Important elements are the arrowhead, reference line, type of weld, placement, orientation, weld contour, and size. These symbols are standardized by AWS A2.4. Knowing them improves communication between engineers and welders, ensuring accurate welding execution. These symbols are often found on engineering drawings and … Read more

A T joint occurs when two materials connect at a perpendicular angle (90°). It is often used in arc welding for strong bonds. Techniques like SMAW (Shielded Metal Arc Welding) use electrode movement for a solid weld. Practicing proper angles and materials improves accuracy and weld quality. Begin welding at the intersection of the steel … Read more

Manual metal arc welding (MMA or SMAW), also called stick welding, uses an electric arc between a flux-coated metal rod (electrode) and the work piece. This arc melts the electrode and the work piece, creating a strong weld. This technique is popular for metal fabrication and repairs due to its effectiveness and simplicity. Next, prepare … Read more

Submerged arc welding (SAW) is a process that uses a continuously fed electrode. It creates a molten weld that is protected by a layer of granular flux. This protective flux prevents contamination from the atmosphere. It often includes ingredients like lime, silica, and manganese oxide, improving the weld’s quality and strength. The benefits of Submerged … Read more