... Submerged Arc Welded Pipes, Standard: API 5L Gr.B,---X-80, OD: 219mm-3048mm, Maximum wall thickness: 25.4 mm, Maximum Le Spiral Submerged Arc ... Welded Pipes, Standard: API 5L Gr.B,---X-80, OD: 219mm-3048mm, Maximum ... Zero Defect Detailed Product DescriptionFeatures:1) Product name: Spiral Submerged Arc Welded steel Pipes (SSAW)2) Place of Origin: Liaoning ...