How do they ensure the quality of steel made from scrap metal?

Question

There’s literally everything in scrap metal, aren’t there compounds that will worsen the quality of the steel produced?

In: Chemistry

Answer 1

While metling it down you can burn off some of the impurities by adding other bits that will react with those and leave “good” metal behind. You can also keep adding various other bits to make the type of steel you really need.