About this document
Investigation of Lamination Indications by richad is a document available to read on EtoBox.
The document summarizes an investigation into linear indications found in API B L1 steel plates from four slab numbers supplied by PT DSAW. Non-destructive testing including ultrasonic, magnetic particle, and penetrant testing was conducted, as well as microstructure analysis of samples. The tests found no discontinuities, cracks, or defects, but did identify subtle compositional variations near the plate centerline appearing as darker lines. This is a normal manufacturing phenomenon known as segregation ra
- Author
- richad
- Language
- EN