Pangkalahatang-ideya ng Structure Pipe ng Petroleum Pipes Mga Pipe sa Istraktura ng Petroleum Pipe ASME SA106, ASME SA179, ASME SA192, ASME SA210, ASME SA213, ASME SA335, atbp Grado Ng Petroleum Pipes Structure Pipes API 5L PSL1, PSL2 API 5L API 5L Gr.B X42 X52 X60 X65 X70 Atbp API 5CT-2018 Casing at Tubing API 5CT API 5CT J55, K55, N80, N80Q, atbp