API 5L/ASTM A53 GR.B, vy karbôna, LSAW vy PIPE FOB TIANJIN ivelan'ny savaivony 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Rindrina 8 ,1,08 ,1,08 50 1.050 1.050 1.050 Hatevina 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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