SSAB starts construction of new quenching line in Oxelösund

SSAB today marked the start of construction of its new quenching line in Oxelösund. The investment of SEK 3.3 billion, announced in May 2026, will expand capacity for SSAB’s advanced high-strength wear and protection steels. Production is planned to begin in 2030.

Per Elfgren, Head of SSAB Special Steels, Karin Palmqvist, Site and production manager in Oxelösund and Johnny Sjöström, President & CEO of SSAB. Photo: SSAB

Quenching is a heat-treatment process that rapidly cools steel to achieve exceptional hardness and strength. It is a critical process for many of SSAB’s most advanced wear-resistant and protection steels, including products such as Hardox® and Armox®. The new quenching line will expand SSAB’s capacity for these advanced steel products.

The new quenching line is part of SSAB's strategy to strengthen premium leadership and expand its advanced steel offering. The investment will add approximately 100,000 tonnes of annual capacity for SSAB's Special Steels most advanced and value-creating products.

“This investment strengthens our leadership in advanced premium steels and expands capacity for some of the most advanced and differentiated products in our portfolio while we finalize the conversion of the Oxelösund steel mill. With the new quenching line, and by investing in modern electrified technology, we are taking yet another important step in expanding our production system and growing our offering of advanced steels to help our customers meet demanding requirements for performance, durability and protection", said Johnny Sjöström, President & CEO of SSAB.

Today's groundbreaking event marks an important milestone as the project moves from planning into execution. The event brought together SSAB management, local stakeholders and decision-makers to celebrate the start of construction of a key investment that will strengthen SSAB's leadership in premium steels and expand capacity for advanced wear-resistant and protection steels serving demanding industrial, safety and defense-related applications.

For further information, please contact:
Per Hillström, Head of Investor Relations, per.hillstrom @ ssab.com, phone: +46 702 95 29 12
Charlotte Lindevall, Head of External Communications & Brand, charlotte.lindevall @ ssab.com, phone: +46 703 44 59 73

SSAB is a global leader in premium steels, shaping a stronger, lighter, and more sustainable world. With high-strength and advanced steels, pioneering decarbonized offerings, and value-add services, we deliver unique customer value and accelerate customer competitiveness worldwide. A steelmaker since 1878, our teams in more than 50 countries set the standard for industry‑leading performance. SSAB operates steel mills in Sweden, Finland, and the United States and is leading the transformation of the industry - dramatically reducing emissions from our own production. SSAB shares are listed on Nasdaq Stockholm, with a secondary listing on Nasdaq Helsinki.

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