RIO DE JANEIRO, BRAZIL - A metal unknown to the majority of Brazilians until now, Niobium gained visibility when President Jair Bolsonaro mentioned it during a live broadcast in June of this year.
However, the metal should have greater name recognition in this country, since Brazil is the world's largest producer, supplying approximately 90 percent of the world market. Among its properties is that it increases the resilience of steel, which enables savings of more than 20 percent in the quantity of material used and a reduction of 30 percent in weight.
One hundred grams of niobium (at a cost . . .