API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW zitsulo PIPE EXW Kunja Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.1008 863.108 808 863.108 1,072 1,072 1,072 1,072 Kunenepa 9.53 1,080 1,064 1,072 1,048 1,048 1,048 1,048 1,048 壁厚 (mm) 10 1,041 1,025 1...
Werengani zambiri