The benchmark December iron-ore SZZFZ4 on the Singap-ore Exchange was 0.19% higher at $102.8 a ton.
The World Steel Association revised its production data upwards on Monday to show global crude steel output in October rose 1% from a year earlier, compared with a 0.4% gain reported last Friday.
In China, the world's top producer and consumer of the metal, crude steel production climbed 2.9% last month, latest data showed.
Meanwhile, Trump pledged an additional 10% tariff on all Chinese goods until Beijing stops the flow of illegal drugs into the United States.
China, the world's second-largest economy, is now in a much m-ore vulnerable position given the country's prolonged property downturn, debt risks and weak domestic demand.