Iwwersiicht vu Petroleum Päifen Struktur Pipes Petroleum Päifen Struktur Pipes Asme SA106, Asme SA179, Asme Sa192, Asme S210, Asme Sa213, Asme Sa335, asitl Grad vu Petroleum Päifen Struktur Pipes Api 5l psl1, PSL2 Api 5l Api 5l gr.b x42 x52 x60 x65 x70 x70 asw Api 5ct-2018 Casing an Tubing Api 5ct Api 5ct J55, k55, N80, N80q, asw