API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE EXW USD/TON 외경 외경(mm) 219 273 324 356 406 457 508 610 711 762 813 914 벽 두께 6 1000 1000 1000 1000 1000 1 000 1000 1000 1000 1000 1000 1000 길이(mm) 7 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 100...
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