CARBON API 5LAPI 5L specification 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.The purpose of this specification is to provide standards for pipe suitable for use in conveying gas, water, and oil in both the oil and natural gas industries Table of Content>>API 5L GR. B Pipes>>API 5L GR. B PSL 2 Pipe>>API 5L X42 PSL1 Steel Pipe>>API 5L X42 PSL2 Pipe>>API 5L X46 PSL1 Pipe>>API 5L X46 PSL2 Pipe>>API 5L X52 PSL1 Pipe>>API 5L X52 PSL2 Pipe>>API 5L X56 PSL1 Pipe>>API 5L X56 PSL2 Pipe>>API 5L X60 PSL1 Pipe>>API 5L X60 PSL2 Pipe>>API 5L X65 PSL1 Pipe>>API 5L X65 PSL2 Pipe>>API 5L X70 PSL1 Pipe>>API 5L X70 PSL2 Pipe
