English to Spanish Tech/Engineering Metallurgy / Casting

"Nickel was the worst performer this month (...), due to planned stainless steel production cutbacks from Asian manufacturers and the steady rise of nickel pig iron production, an alternative to nickel."

He encontrado esta explicación, pero ninguna traducción en español:

"Imported laterite ore is processed in small scale blast furnaces or electric furnaces into nickel pig iron, which is of much lower nickel grade compared to ferronickel that averages above 30 percent nickel. "