API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Ngaphandle Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 068 7 Wall 608 7 7 Wall 863. 674 674 674 Ukutyeba 9.53 694 681 687 669 674 674 674 674 壁厚 (mm) 10 662 650 656 669 674 674 674 674 12...
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