API 5L/ASTM A53 GR.B, CHUMA CHA CARBON, LSAW STEEL BOMBA FOB TIANJIN Nje ya Kipenyo 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.10,089 4, Wall 69. 1,079 1,082 1,079 1,079 Unene 9.53 1,086 1,071 1,079 1,055 1,055 1,058 1,055 1,055 壁厚 (mm) 10 1,047 1,03...
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