What is often the pinnacle certification standard for structural underwater welding?

Answer

American Welding Society (AWS) D3.5M/D1.1 standard

The American Welding Society (AWS) D3.5M/D1.1 standard is often the certification sought after for structural work, proving competence for large-scale marine construction or offshore energy projects.

What is often the pinnacle certification standard for structural underwater welding?
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