API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE) Labas Diameter Kapal Kapal FOB TIANJIN Labas Diameter Kapal Kapal FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港价 USD/TON 离港价 USD/TON ) 壁厚 (mm) 离港价 USD/TON 245, 273 5.0-9.28 632.44 450, 457, 508, 530 6...
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