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China deploys breakthrough super steel alloy CHSN01 to build nuclear fusion generation reactor
Upon testing, the 'China high-strength low-temperature steel No 1' was found to withstand 1,300 MPa stress and handle 20 Tesla magnetic fields.
A leading expert in cryogenic physics and winner of China’s top science award in 2017, Zhao had long stressed the importance of materials in superconducting technologies. That same year, Li Laifeng led the launch of a national research alliance to create a new domestic cryogenic steel, uniting institutes, companies, and welding specialists. In August 2023, CHSN01 steel was confirmed to meet key standards, handling 20 Tesla magnetic fields and withstanding 1,300 MPa stress with high fatigue resistance.
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