API 5L covers seamless and welded steel line pipe. It includes standard-weight and extra-strong threaded line pipe. It includes standard-weight and extra-strong threaded line pipe; and standard-weight plain-end, regular-weight plain-end, special plain-end, extra-strong plain-end, special plain-end, extra-strong plain-end pipe; as as well as bell and spigot and through-the-flow line(TFL) pipe.
Chemical Composition API 5L Gr.B seamless line pipe
|Steel grade||Mass fraction, based upon heat and product analyses a|
|max. b||max. b||min.||max.||max.||max.||max.||max.|
|L245 or B||0,28||1,20||–||0,030||0,030||c,d||c,d||d|
Sizes (Seamless): 1/2″ NB – 60″ NB
Sizes (ERW): 1/2″ NB – 24″ NB
Sizes (SAW): 16″ NB – 100″ NB
Wall Thickness available:
Schedule 20 – Schedule XXS (heavier on request) up to 250 mm thk.