API 5L GR.B/ASTM A53 GR.B (tuubada birta ah ee ERW balaadhisay kulul) Dibadeed dhexroor derbiga dhumucdiisuna tahay EXW ka baxsan dhexroor derbiga EXW 外径 (mm) 壁厚 (mm) USD/TON 外径 (mm) 壁徎) USD/TON 245, 273 5.0-9.28 903.46 450, 457, 508, 530 6.5-11.98 941.88 9.45-9.98 906.21 12.0-14.5 948.
Akhri wax dheeraad ah