API 5CT L80 Casing and Tubing Pipe Specification
API 5CT L80 casing and tubing include grades L80-1, L80 9Cr (Cr 8%-10%), L80 13Cr (Cr 12%-14%), minimum tensile strength 655 Mpa, yield strength 552 Mpa to 655 Mpa, it is a medium strength grade higher than …