AWS D1.1 (Structural Welding Code)

American Welding Society standard for structural steel welding including qualification requirements, welding procedures, inspection, and acceptance criteria. AWS D1.1 is the primary standard for welding in building and bridge construction. It mandates NDT inspections of welds using ultrasonic testing and radiography. Welders and inspectors working on structural projects must be qualified per AWS D1.1.

Standard Compliance

This standard establishes requirements for NDT practices in specific industries or applications. Following applicable standards ensures consistent, reliable, and safe inspection practices.

Regulatory Importance

Many jurisdictions legally require compliance with these standards. Failure to follow applicable standards can result in unsafe operations and legal liability.

Best Practices

• Always follow applicable NDT standards and procedures
• Use properly calibrated and maintained equipment
• Ensure personnel are properly trained and certified
• Document inspection procedures and results completely
• Keep current with industry standards and best practices