Weighted average carbon footprint of steel is 1.85* tons CO2 to 1 tonne
steel produced according to Mckinsey and the World Steel Association
— Read on https://www.sustainable-ships.org/stories/2022/carbon-footprint-steel/

1.787 tonnes of CO2 is saved per tonne of recycled steel used. Time to recycle a few million cars as only current source of green steel needed to keep pace with installation new renewables.