API 5L/ASTM A53 GR.B, CHUMA CHA CARBON, LSAW STEEL BOMBA FOB TIANJIN Nje Kipenyo 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.10058 Wall 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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