1 DIN 1629 st45 seamless pipe 2 Size:15-820mm 3 W.T :2-60mm 4 ... 12m 5 Material: A106/A53 GRB, ST3 DIN 1629 st45 seamless pipe for water Marking :P/O No,SPEC. Grade,Size, Heat No ... and total amount tolerance: -5%/+5%; Product Namebig inch seamless steel pipe weightStandardAPI5L,ASTM, ANSI, GB,DIN,BSMaterialAPI 5L Grade B/ ... quality product,Lower price" to serve you! DIN 1629 st45 seamless pipe for water