API 5L/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL POB FOB TIANJIN Diameter Derveyî 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 8814,06 Dîwar 1,058 1,058 1,058 1,058 Stûrahî 9,53 1,066 1,050 1,058 1,035 1,035 1,035 1,035 1,035 壁厚 (mm) 10 1,027 1,01...
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