API 5L Pipe Specification (PSL1, PSL2, SOUR SERVICE)
Chemical Composition for API 5L PSL2 Pipe with t ≤ 25.0 mm (0.984 in) Steel Grade (Steel Name) Mass fraction, based upon heat and product analyses Carbon equivalenta % maximum % maximum Cb Si Mnb P S V Nb Ti Other CE IIW CEPcm Seamless and welded pipes L245R or BR 0.24 0.40 1.20 0.025 0.015 c c 0.04 e,l 0.43 0.25