API SPEC 5L / API 5CT
API 5CT -Specification 5CT/ISO 11960, Specification for casing and tubing, Eighth Edition, Petroleum and natural gas industries -steel pipes for use as casing or tubing for wells.
Besides casing and tubing, it also include pup joints, coupling material, and accessory materials, and established requirements for three product specification levels ( PSL-1, PSL-2, PSL-3).
The requirements for PSL-1 are the basis of this standard
Outer Diameter 4-1/2”-20”(114. 3-508MM)
API 5CT /ISO 11960
Wall thickness :1. 0mm-30mm
API SPEC 5DP
API SPEC 5DP Defines the technical delivery conditions for steel drills-pipes with upset pipe-body ends and weld-on tool joints for usage in drilling and production operations in petroleum and natural gas industries for 3 product requirement levels ( PSL-1, PSL-2, PSL-3)PSL-1 defines wall thickness, impact strength and yield strength requirement particular to the material grade.
Grade E75, X95, G105, S13
API5L GR. B
API5B, specification for threading, gauging and thread inspection of casing tubing and line pipe threads, this specification covers dimensions, tolerances and marking requirement for API thread and the gauges that control the acceptance criteria for the threads, thread element gauges, instruments and requirements for the inspection of threads for line pipe, rold thread casing and buttress casing connections are included.
