API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Kunja Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 006 7 7 7 863 7 Wall 608 7 6 8 7 7 6 8 7 6 8 4 674 674 674 Makulidwe 9.53 694 681 687 669 674 674 674 674 壁厚 (mm) 10 662 650 656 669 674 674 674 674 12...
Werengani zambiri