API 5L GR.B/ASTM A53 GR.B (Tuubka birta ah ee ERW kulul ee balaadhiyey) Dibadeed dhexroor derbiga dhumucdiisuna FOB TIANJIN ka baxsan dhexroor derbiga FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港 价外径 USD/TON ) 壁厚 (mm) 离港价 USD/TON 245, 273 5.0-9.28 600.89 450, 457, 508, 530 6.5-11.98 632.72 9.4...
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