eli5: What impact has historical use of nuclear weapons had on the production of steel?

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I was reading this article about how Chinese vessels have been illegally salvaging steel from sunk British vessels. The article, at one point, says the following:

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>News reports from the U.K. and Australia say salvage vessel Chuan Hong 68 was dredging with a deep-reach crane for the “high-quality steel” used to build the two warships. The steel could be smelted for other uses. The value comes from the steel’s production before the use of nuclear weapons and testing and is important for use in manufacturing some scientific and medical equipment.

So, what impact has nuclear weapons had on steel that makes old steel valuable?

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3 Answers

Anonymous 0 Comments

The steel we have now and the older ones are very, very similar in most of measurable ways. But pre-WWII steel is very useful for low-radiation detectors as it isnt influenced by Hiroshima and other nuclear bombs radio-nuclids.

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