Detailed Product Description Seamless Steel PipeSIZE: 13.7mm-609.5mmW.T.: 2.77mm-20.62mmStandard:ASTM A106, ASTM-A53, DIN 2448,DIN 1629,GB/T 8162Package: 1) Big OD in bulk 2) Small OD hexagonal in to bundles, packed by steel strip in to bundles 3) According to buyers requirements.Useage:For conveying gas,water,and oil in both the oil and natural gas