API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL BOMBA EXW Nje ya Kipenyo 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.1008 863.1,088 863.1,088 1,072 1,072 1,072 1,072 Unene 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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