Q1 : What inspections and tests are required for API 5L Grade B PSL1 line pipe?

API 5L Grade B PSL1 line pipe must be inspected and tested in accordance with the applicable product standards. Typical inspection items include:

- Chemical composition analysis

- Tensile test

- Flattening test (if applicable)

- Bending test (if applicable)

- Hydrostatic test

- Dimensional inspection

- Visual inspection

- Non-destructive testing (NDT, if applicable)

- A Manufacturer’s Test Certificate (MTC) is typically used to document chemical composition, mechanical properties, and inspection results.