Asme — Certified Welder

If a pressure vessel ever explodes, inspectors can trace the stamp back to the individual welder who made the joint.

You cannot just "wing it." You must follow a specific recipe called a WPS provided by the test administrator. It lists: asme certified welder

The test requires the welder to produce a specific weld joint (e.g., a 6-inch diameter pipe in the 6G position—the hardest gravity-defying position). Once the weld is complete, the sample is subjected to: If a pressure vessel ever explodes, inspectors can