API 5L/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL POB FOB TIANJIN Diameter derve 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 861,08 1,074 1,074 116 1,074 Stûrahî 9,53 1,081 1,066 1,074 1,050 1,050 1,050 114 1,050 壁厚 (mm) 10 1,043 1,027 1,...
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