Factbox: Top steel exporters to the United States

(Reuters) - The United States is the world’s biggest steel importing nation, buying 35.6 million tonnes of the building raw material in 2017.

U.S. President Donald Trump is planning to impose a 25 percent tariff on steel imports and 10 percent on aluminum in a bid to protect American jobs. But other countries have threatened with retaliatory actions, fuelling fears of a global trade war.

Following are the top steel exporters to the United States with their corresponding percentage of total U.S. steel imports:

1. Canada 16.7 percent

2. Brazil 13.2 percent

3. South Korea 9.7 percent

4. Mexico 9.4 percent

5. Russia 8.1 percent

6. Turkey 5.6 percent

7. Japan 4.9 percent

8. Germany 3.7 percent

9. Taiwan 3.2 percent

10. China 2.9 percent

11. India 2.4 percent

Source: Wood Mackenzie