1·The invention discloses a method for preparing the chromium-iron alloy directly by adopting the chromium iron powdered ore.
本发明公开了一种利用铬铁矿粉直接制备铬铁合金的方法。
2·Pig iron, scrap steel, forging steel, powdered ore (gold, copper and iron), scrap copper & aluminium, coke, scrap plastic, scrap paper, rubber.
生铁、废钢、金铜铁矿粉、废铜铝、焦碳、废塑料，废纸、橡胶。