Spiral Submerged Arc Welded Pipes, Standard: API 5L Gr.B,---X-80, ... , Maximum wall thickness: 25.4 mm, Maximum Le Spiral Submerged Arc Welded Pipes, Standard: API 5L Gr.B,---X-80, ... mMaking Zero Defect Detailed Product DescriptionFeatures:1) Product name: Spiral Submerged Arc Welded steel Pipes (SSAW)2) Place of Origin: Liaoning ... ISO 9001, DNV ISO 14001, DNV OHSAS 18001 Spiral Submerged Arc Welded Pipes