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Its hardness is very high (the HRB greater than 90), and its mechanical processing performance is poor due to the lack of annealing treatment.
Its hardness is very high (the HRB greater than 90), and its mechanical processing performance is poor due to the lack of annealing treatment.
Its hardness is very high (the HRB greater than 90), and its mechanical processing performance is poor due to the lack of annealing treatment.