API 5L/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIP FOB TIANJIN Ngaphandle Ububanzi 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.10, 6 6 863.10, 6 6 1,058 1,058 1,058 1,058 Ubukhulu 9.53 1,066 1,050 1,058 1,035 1,035 1,035 1,035 1,035 壁厚 (mm) 10 1,027 1,01...
Funda kabanzi