API 5L GR.B/ASTM A53 GR.B, KARFE KARFE, LSAW STEEL PIPE FOB TIANJIN Waje Diamita 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.06 4 674 674 Kauri 9.53 694 681 687 669 674 674 674 674 壁厚 (mm) 10 662 650 656 669 674 674 674 674 12...
Kara karantawa