Welding, governed by physics and involving the four states of matter, is regulated by standards like AWS D1.1 and ASME Boiler and Pressure Vessel Code Section IX. These standards share similarities with Navy fabrication specifications (e.g., Tech Pub 1688, PPD 802-7094539, Tech Pub 278) but have nuanced differences. Full compliance with Navy standards necessitates a comprehensive welding quality control system, beyond just approved procedures and qualified welders. NAVY WELDING QUALITY CONTROL SYSTEM Compliant Navy welding systems take months to a year, requiring skilled personnel and careful planning, posing risks to cost and schedule constraints.
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