SDI Becomes Latest Steelmaker to Add Branded Green Steel to Portfolio
10/27/2025 - Steel Dynamics Inc. (SDI) has launched a line of lower-CO₂ steels designed to support customers in meeting their sustainability goals.
Branded as EDGE and BIOEDGE, these steels are produced in electric arc furnaces (EAFs) and paired with Green-e Energy certified renewable energy certificates or emission-free nuclear energy certificates, significantly reducing Scope 2 emissions.
BIOEDGE steels incorporate biocarbon sourced from the company’s new joint-venture biocarbon facility in Mississippi.
The EDGE family of steel products will be available across Steel Dynamics’ operations, and SDI said it is anticipating strong interest from customers in the automotive, construction, renewable energy and infrastructure sectors.
“With our EAF steelmaking, circular manufacturing model and innovative teams, Steel Dynamics is already a global leader in the production of lower-embodied-carbon steel products,” said Mark D. Millett, chairman and chief executive officer of Steel Dynamics. “We are excited to expand our lower-embodied-carbon steel product offerings, and we remain committed to providing high-quality, innovative supply chain solutions to support our customers’ decarbonization initiatives.”



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