API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE EXW Diameter Derveyî 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 881,08 1,072 1,072 1,072 1,072 Stûrahî 9,53 1,080 1,064 1,072 1,048 1,048 1,048 1,048 1,048 壁厚 (mm) 10 1,041 1,025 1...
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