Api Standard 1104. Welding Of Pipelines And Rel... -

Generally prohibited, though shallow crater/star cracks under 5/32 in. (4 mm) may be acceptable in some contexts.

The standard covers the entire lifecycle of a pipeline weld to ensure safety and compliance: API Standard 1104. Welding of Pipelines and Rel...

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...

The 22nd Edition (July 2021) provides specific allowable limits for common weld defects: API Standard 1104. Welding of Pipelines and Rel...

Testing individual welders to verify they can successfully execute a qualified procedure.

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.