Key Takeaways Nucor is expanding with new mills, acquisitions, and steady dividends backed by strong liquidity.Steel Dynamics is ramping its Sinton mill, aluminum projects and boosting shareholder returns.STLD trades at a lower valuation, offers higher dividend growth and delivers higher return on equity.Nucor Corporation (NUE) and Steel Dynamics, Inc. (STLD) are two of the leading steel producers in the United States, often regarded as bellwethers for the domestic steel industry. Both have strong domestic ...