ARC Welding

Submerged Arc Welding Temperature: Effects on Heat Generation and Process Efficiency

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

Arc Welding Thin Wall Tubing: Techniques, Challenges, and Beginner Tips

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 vs. Arc Welding: Key Differences, Advantages, and Which is Better?

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 Symbols and Codes: A Complete Beginner’s Guide with Cheat Sheet and Chart

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