Guidelines for non-destructive examination (NDE) like magnetic particle and ultrasonic testing.
Used for equipment built to other API standards, such as API 612 (Steam Turbines) , API 613 (Gears), and API 617 (Compressors). Api 687 Pdf Free Download
, it is important to understand the significance of this document within the oil and gas industry and why it is typically a protected, paid resource. API 687, titled Rotor Repair such as API 612 (Steam Turbines)
You can buy the full 2nd Edition (2023) through the API Standards Store or authorized distributors like BSB Edge . API 613 (Gears)
– If you need an outdated draft for reference only, check public repositories like Internet Archive or NIST’s engineering database , but be aware that using unofficial copies may violate API’s terms of use.