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Steel Grade 9310 and Grade 4340 had been successfully casted by Baosteel.      [2017-11-28]

Baosteel's successful casting of Grade 9310 and Grade 4340 marks its expanding steel varieties for civil aviation. It's Bao's second time to trial-produce the steel following the landing gear of large aircraft, symbolizing a leap in R&D and manufacturing capacity of civil aviation steel.

 

It is technologically difficult and strict  to produce and process Grade 9310 and 4340. With expertise of  technicians , Baosteel redesigned the casting and mold stool based on the production experience of landing gear for large aircraft, ensuring the successful completion of the trial-production.


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