... : ASTM A106A/A106B/A53A/AP5LGradeB/A178/179 API Steel Pipe:1.steel pipeHeavy wallthickness seamless steel ... .7)Painting: can be required. 8)Application:API SPCE 5L For the purpose of transportation of ... gas, water, oil industry.API SPCE 5CT Tubing is used in extracting petroleum ... A178/179Thick wallthickness seamless steel pipe1)Standard: ASTM, API 5L .2)Material:API5L Gr B, X42- ...