API 5L/ASTM A53 GR.B, DUR CARBON, PIBELL DUR LSAW FOB TIANJIN Diamedr Allanol 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Wal 8 1,07 , 1,07 863.6 Wal 8 1,07 , 7 1,067 1,067 1,067 Trwch 9.53 1,075 1,059 1,067 1,043 1,043 1,043 1,043 1,043 壁...
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