API 5L/ASTM A53 GR.B (Issiq haddelenmiş ERW po'lat quvuri) tashqi diametri devor qalinligi EXW tashqi diametri devor qalinligi EXW (mm) (mm) (mm) USD/TON (mm) (mm) qìnín USD/TON 219,245 5,0-11,75 607,98 462 5,75-11,75 628,25 273 5,0-11,75 607,98 12,5-13,7016 ...3
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