API 5L/ASTM A53 GR.B, BAJA KARBON, PIPA BAJA LSAW FOB TIANJIN Diaméter Luar 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Tembok 8 1,051 ,1,051 ,1,05 035 1.035 1.035 1.035 Kandel 9,53 1.043 1.027 1.035 1.012 1.012 1.012 1.012 1.012 壁...
Maca deui