ASTM A106 ASME SA106 API 5L Welded Gas Transmission Pipeline Welded pipes are produced by shaping flat steel (steel plate or steel sheet) to cylindrical shapes through mechanical pressure and then the seam is ... Read More
ISO 14001 A53B API 5L X70 Saw Oil Transmission Pipeline What is a LSAW steel pipe?(Longitudinally Submerged Arc Welding steel pipe) LSAW steel pipe in leaflets plate as raw material, the steel plate in the mold ... Read More