What is the minimum thickness of metal that an AWS D1.1 welder can work on?

The minimum thickness of metal that an AWS D1.1 welder can work on is 1/8 inch. This standard is established to ensure adequate penetration, fusion, and strength in the welds being performed. Metals thinner than this dimension can pose challenges in achieving a sound weld due to the potential for burn-through or inadequate heat control during the welding process.

Working on materials with a thickness of 1/8 inch allows the welder to effectively utilize welding techniques while also ensuring that the welds meet the necessary code requirements for quality and strength. This thickness also aligns with common practices in the industry, simplifying the training and certification process for welders. Thus, focusing on this specified minimum thickness helps uphold the integrity of welded structures as dictated by the AWS D1.1 code.