An additive composition for use in steel making, which comprises 84.8-99.3% by weight of an oxide component; 0.5-1.6% by weight of a metal component; and 0.04-0.07% by weight of a rare-earth element component is used in such a way that its four aliquots are each added in a blast furnace. The amount of the composition to be added is dependent on the steel to be produced. It is used at an amount of 15-17% by weight for special carbonic steel, at 18-20% by weight for special tool and die steel and at 21-25% by weight for special high-speed tool steel.

Аддитивный состав для пользы в steel making, которое состоит из 84.8-99.3% by weight of компонент окиси; 0.5-1.6% by weight of компонент металла; и 0.04-0.07% by weight of rare-earth компонент элемента использовано in such a way that свои 4 аликвота каждое добавлены в blast furnace. Количество состава, котор нужно добавить зависит на стали, котор нужно произвести. Оно использован на количестве 15-17% весом для специальной углеродной стали, на 18-20% весом для специального инструмента и стали плашки и на 21-25% весом для специальной высокой стали инструмента скорости.

 
Web www.patentalert.com

< (none)

< Starch phosphate ester composition, process and method of use in food

> Iron-rich residue recyclable from the hydrometallurgical processing of flue dust

> (none)

~ 00040