API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE FOB TIANJIN USD/TON Kunze Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 3 5 5 5 5 9 Thick 5 4 Thick 5 5 5 9 9 9 549 549 549 549 549 554 554 554 554 壁厚 (mm) 7 549 549 549 549 549 549 549 549 554 554 554 554 ...
Verenga zvimwe