... LU class)Matenal class:AA,BB,CC,DD,EE,FF,HHSpecification class:PSL 1~4Performance class:PR1~2 Casing ... LU class)Matenal class:AA,BB,CC,DD,EE,FF,HHSpecification class:PSL 1~4Performance class:PR1~2 Casing ... LU class)Matenal class:AA,BB,CC,DD,EE,FF,HHSpecification class:PSL 1~4Performance class:PR1~2 Tubing ... LU class)Matenal class:AA,BB,CC,DD,EE,FF,HHSpecification class:PSL 1 4Performance class:PR1 2 Casing ...