API 5L GR.B/ASTM A53 GR.B, DUR CARBON, PIBELL DUR LSAW EXW Diamedr y Tu Allan 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Wal 8 1,040 , 1,040 8 1,040 8 1,040 , 1,064 1,064 1,064 Trwch 9.53 1,072 1,056 1,064 1,041 1,041 1,041 1,041 1,041 壁厚 (...
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