118885 ⎘
Treating molten ferrous alloys, e.g. steel, not covered by groups - Duplex process; Two stage processes
ULTRA-HIGH PHOSPHORUS MOLTEN IRON LOW-COST SMELTING METHOD FOR POLAR STEEL
#2METHOD FOR PRODUCING ALLOY STEEL
#3Production method for smelting clean steel from full-scrap steel using duplex electric arc furnaces
#4Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method
#5Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method