API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Outside Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 16 863 Wall 68 863. 668 673 673 Makulidwe 9.53 674 662 668 649 654 649 654 654 壁厚 (mm) 10 642 629 636 649 654 649 654 654 12...
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