The Metal That Started Trump's Trade War
Bloomberg Businessweek Middle East|October 16, 2018

The administrations aluminium tariff raises prices, hurts U.S. manufacturing, and causes chaos all around. Other than that, its great

Matthew Philips And Joe Deaux
The Metal That Started Trump's Trade War

Working at the Century Aluminum Co. smelter in Hawesville, Ky., can be like having a job in an oven. The interior temperature hovers around 140F, which isn’t necessarily hotter than, say, your typical steel mill. What’s especially hellish about an aluminium smelter is how close you have to stand to bubbling vats of molten, electrified metal.

Workers wear helmets, masks, and heavy, fire- retardant clothing. They look like smoke jumpers. Over a 12-hour shift they’ll lose several pounds of water weight as they peer over cauldrons, occasionally stirring 1,700-degree liquid aluminium with long metal rods. They wear earplugs against the hum of 170,000 amps surging through the mixture, which chemically breaks down ore. The air itself feels charged—and smells like the blended aromas of an overheated car engine and a sweaty fistful of coins. If you breathe through your mouth, you can taste the metal on your tongue.

The Hawesville smelter makes some of the world’s highest-purity aluminium, and it’s the only one in the U.S. that mass-produces the military-grade kind needed for fighter jets and tanks. Yet the method it uses isn’t that different from how aluminium was made in 1886, when Charles Martin Hall, an Alcoa Corp. co-founder, first shot an electrical current through a mineral bath of aluminium oxide. The process has become more efficient over time, but no one’s figured out a better way to separate oxygen atoms from aluminium atoms. The business is stubbornly dirty, expensive, and dependent on human labor.

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