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"Super Steel": China Unveils Game-Changing Cryogenic Steel for Fusion Reactors

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Free Vulcan:


China has developed a breakthrough material, CHSN01 (China high-strength low-temperature steel No 1), capable of withstanding extreme cold and massive magnetic forces, and deployed it this year in the world’s first fusion nuclear power generation reactor, according to SCMP.

The steel puts China at the forefront of materials science and could have applications beyond fusion.

The ultra-strong cryogenic steel meets the demands of superconducting magnets operating near absolute zero and in magnetic fields of up to 20 Tesla. It can endure stresses of 1,300MPa and has superior fatigue resistance to traditional alloys. “In addition to its applications in superconductivity, this steel can also be used in other related areas,” said Zhao Zhongxian, a top Chinese physicist.

Development began after a 2011 setback at the International Thermonuclear Experimental Reactor (ITER) in France, where cryogenic steel turned brittle under testing.

https://www.zerohedge.com/markets/super-steel-china-unveils-game-changing-cryogenic-steel-fusion-reactors

Smokin Joe:
Can we make this? If not, why not?

GtHawk:

--- Quote from: Smokin Joe on August 11, 2025, 09:36:30 pm ---Can we make this? If not, why not?

--- End quote ---
If the Chinese made it, will it fail….dramatically at least he worst possible time? They do have, um, a history of bad steel.

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