Stegra, formerly known as H2 Green Steel, is a Swedish company focused on producing green steel, which is steel made without emitting carbon dioxide.

The company is building a large-scale plant in Boden, Sweden, to produce green hydrogen and use it to create green iron and steel. Stegra has secured significant funding, partnered with major companies in the steel and energy sectors, and pre-sold green steel to customers. They aim to significantly reduce carbon emissions in the steel industry, which is currently responsible for a large portion of global CO₂ emissions.