API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE FOB TIANJIN USD/TON Outside Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 355 762 Thickness 6 7 567 576 576 576 576 576 576 576 576 壁厚 (mm) 7 567 567 567 567 576 576 576 576 576 576 576 576 8 567 ...
Werengani zambiri