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Vietnam's Ministry of Industry and Trade announced on September 17, 2026, that it has extended the deadline for its ongoing antidumping investigation into imported Chinese prestressed steel bars. The final determination, originally expected in mid-September, has been pushed to September 29, 2026. The two-week extension grants trade officials additional time to process detailed injury submissions from local Vietnamese steelmakers who claim massive import surges are materially depressing domestic capacity and pricing power.

Japan's Nippon Steel Corporation confirmed on September 17, 2026, a massive €900 million ($1.04 billion) capital investment to construct a new electric arc furnace and air separation unit at its acquired US Steel Košice site in Slovakia. Designed to add approximately 1.6 million tons of annual green steel capacity by 2030, the project will receive up to €350 million in Slovak government subsidies. The facility's operating company will officially rebrand as Nippon Steel Slovakia on October 1, marking the Japanese steelmaker's first fully integrated green steel footprint in Europe.

Russian forces launched two ballistic missiles at Ukraine's Zaporizhstal steel plant on the morning of September 17, 2026, marking the fourth direct attack on the Metinvest-owned facility in just over a month. The latest strike caused significant structural damage to industrial areas and utility networks, injuring one worker. The facility, which has a historic capacity of roughly 3.8 million tonnes of crude steel annually, has been completely idled since an August 11 attack, removing a critical volume of Ukrainian pig iron and steel from the regional supply chain.