Arc Welding Amps: A Guide to Choosing the Right Amperage for Metal Thickness
When arc welding mild steel, adjust the amps based on steel thickness. Here are the guidelines: – 1-2mm: 1.6-2.0mm electrode, 40-60A – 2-4mm: 2.5mm electrode, 60-110A – 4-6mm: 3.2mm electrode, 90-140A – 5-10mm: 4.0mm electrode, 130-190A Always prioritize safety and set equipment correctly for quality. For example, if you are welding steel that is 1/8 … Read more