API 5L GR.B/ASTM A53 GR.B, KARBON STEEL, LSAW poʻlat quvuri EXW tashqi diametri màn (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.601, devor 863.601808 1,072 1,072 1,072 1,072 Qalinligi 9,53 1,080 1,064 1,072 1,048 1,048 1,048 1,048 1,048 chàn (mm) 10 1,041 1,025 1...
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