Line pipe is generally used for the conveyance of oil ... End Finishes Beveled, Square Cut, Threaded & Coupled. Additional Services: Internal Coating Test: Chemical Analysis, Mechanical Properties (Ultimate Tensile Strength, Yield ... End Finishes Beveled, Square Cut, Threaded & Coupled. Additional Services: Internal Coating Test: Chemical Analysis, Mechanical Properties (Ultimate Tensile Strength, Yield ...