API 5L/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL BOMBA FOB TIANJIN Nje Kipenyo 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.10, 605 863.1, 608 1,050 1,050 1,050 1,050 Unene 9.53 1,074 1,043 1,050 1,027 1,027 1,027 1,027 1,027 壁厚 (mm) 10 1,035 1,00...
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