API 5L GR.B/ASTM A53 GR.B, CARBON FERRUM, LSAW FERRUM FISTULA EXW Extra Diameter (mm) USD/TON 406 457 508 609,6 711.1 762 812 863.6 Wall 8 1,088 1,080 1,088 1,072 1,072 1,072 1,072 1,072 Crassitudo 9.53 1,080 1,074 1,072 1,048 1,048 1,048 1,048 1,048 壁厚 (mm) 10 1,030 1,025 1...
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