API specification l80 eue 8rd tubing nipple 

api spec 5ct tubing nipple l80 eue 8rd tubing pup joint  Classification and main differences of steel pipes in API standards for steel pipes for oil and gas transportation According to API SPEC 5L, steel pipes are divided into PLSL and PLS2 product grades, and different technical conditions are specified for these two types of products. The main difference is that the strength requirements for carbon equivalent, fracture toughness, maximum yield strength and maximum tensile strength are specified relative to PLS1 and PLS2. The control of harmful elements such as sulfur and phosphorus is also more strict: nondestructive testing of seamless tubes has become a mandatory requirement. The contents that must be filled in the warranty and the traceability after the test become mandatory requirements. Tubing is pipe used for the transportation of crude oil and natural gas from an oil or gas layer to the surface after drilling is complete. It is made to withstand the pre…