make 1 tone steel will use 1.5-1.6tone iron ore and 450KG coke...

make 1 tone steel will use 1.5-1.6tone iron ore and 450KG coke coal.
the grade of iron ore increase 1%,the consumption of coke can reduce 1.3%,what's more ,the steel producion can increase 3%.
Until 21/04, In China the coke coal price is about 1600-1700YUAN/tone, 62% fe Iron ore is 500Yuan/tone. deformed steel bar is 3000yuan/tone.
If the profit for  produce every tone of steel is bout 300yuan,So the the grade of iron ore increase 1%,the steel company in China  can make 24yuan/tone more（about USD3.5)
Due to serious airpollution the  goverment in China plan to limit production time  for steel company to control the airpollution,so use high grade iron can produce more steel  at the same time and reduce the airpollution.


1.this is  price trend for deformed steel bar



2.this is coke coal price

3.this is iron ore price (61.5%Fe)


(hope these information can help you)