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<< Back Steel Grade 9310 and Grade 4340 had been successfully casted by Baosteel.
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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