en.Wedoany.com Reported - China's iron ore imports continue to diverge from domestic steel production trends, with port stockpiles approaching historical highs. In May 2026, global iron ore flows totaled 145 million tons, down 2% year-on-year; while flows to China maintained a 3% growth rate for the month, this was the slowest pace since March this year, reflecting mounting headwinds facing China's steel industry.
Steel production outside China is under pressure, with iron ore demand remaining sluggish. In May 2026, iron ore flows to ports outside China plummeted 15% year-on-year.
Shipments from Guinea exceeded 2 million tons in May, setting a monthly record and nearly doubling the previous historical high from the prior month. However, Guinea accounted for only 2% of global iron ore flows that month, with Australia and Brazil dominating at 86 million tons and 33 million tons of exports, respectively. The structural growth in shipping capacity on the Guinea-to-China route is providing positive support for the capesize vessel market: even if China's total import volume does not expand, the route effect alone will boost ton-mile demand—each ton shipped from Guinea to China generates approximately 25% more ton-miles than the Australia route. Based on an estimated steady-state production of 10 million tons per month from Simandou, the incremental ton-miles are substantial, expected to provide sustained support for capesize freight rates for the remainder of this year.
According to data from the National Bureau of Statistics (NBS), China's crude steel output has fallen 4% year-to-date, while iron ore imports have risen 3% over the same period. This divergence between imports and exports has led to rapid accumulation of port stockpiles. As of the week ending May 22, China's port inventories reached 160 million tons, just shy of the historical record of 165 million tons set in March 2026, and approximately 22% higher than the trough in July 2025. This divergence is gradually being corrected as market rebalancing mechanisms take effect: import growth has already begun to slow.
Australian exporters face dual pressures in the short term. On one hand, as high port stockpiles are gradually absorbed, China's total iron ore import demand is expected to decline from current levels, thereby lowering overall seaborne volumes. On the other hand, the commercial ramp-up of Simandou is driving a shift in raw material composition toward higher grades, reducing the relative attractiveness of Australia's medium-grade fines, as Chinese steel mills prioritize optimizing blending economics amid compressed profit margins.
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