API RP 5L3 (R2020) PDF
This 4th edition of RP 5L3 includes changes approved by letter ballot in 2013 from the Subcommittee on Tubular Goods, Task Group on Line Pipe.
The procedures within describe a recommended method for conducting Drop-Weight Tear Tests to measure the fracture appearance or fracture ductility of the pipe as referenced in API Specification 5L, Specification for Line Pipe.