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 5.0-9.28 557.66 450, 457, 508, 530 6.5-11.98 589.27 9.4....
Sii akhri