API 5L/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Taobh a-muigh Trast-thomhas 外 径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Balla 8 1,05 , 1,05 , 5 1,035 1,035 1,035 Tighead 9.53 1,043 1,027 1,035 1,012 1,012 1,012 1,012 1,012 壁...
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