API 5L is the standard specification for seamless and welded steel pipe used in pipeline transportation systems for the oil and gas industry. It includes manufacturing requirements for two product specification levels (PSL1 and PSL2) API 5L does not apply to cast pipe.
API Line Pipe Specification
API 5L Pipe (Seamless Steel Pipe)
Type
Seamless steel pipe
Material
GR.B, X42, X52, X60,etc.
Application
Line pipe
Special pipe
Regular and special thick-walled steel pipe, maximum thickness of up to 60MM
Process
Hot rolled and hot expanded
Specification in Milimeter
114-914MM*4-60MM
Diameter in Milimeter
114MM-914MM
Thickness in Milimeter
4MM-60MM…