Api Standard 1104. Welding Of Pipelines And Rel... -
The standard covers the entire lifecycle of a pipeline weld to ensure safety and compliance:
Mandates visual inspection and Non-Destructive Testing (NDT) such as Radiographic (X-ray) and Ultrasonic (UT) testing. API Standard 1104. Welding of Pipelines and Rel...
Strict limits on imperfections like cracks, porosity, and incomplete fusion. 📝 Acceptance Standards (22nd Edition) The standard covers the entire lifecycle of a
API Standard 1104, , is the primary global standard for gas and arc welding in the construction and repair of pipelines. It ensures structural integrity for systems transporting crude oil, petroleum products, fuel gases, and other fluids. 🛠️ Key Components The aggregate length of all imperfections cannot exceed 2 in
Depth cannot exceed 1/32 in. (0.8 mm) or 12.5% of wall thickness.
The aggregate length of all imperfections cannot exceed 2 in. (50 mm) in any continuous 12 in. section. 🔄 Recent Updates (22nd Edition) The latest version introduced several substantive changes:
Documented proof that a specific procedure produces sound welds through mechanical testing.