Influence of annealing process on microstructure and mechanical properties of SUS304 stainless steel
The influences of annealing temperature and holding time on the microstructure and mechanical properties of SUS304 stainless steel in the annealing process were studied.The results showed that under the holding time of 60 min,the grain of the stainless steel grew up with the increase of annealing temperature,and the grain grade was reduced,from the initial 11.5 to 6.0.The yield strength and tensile strength of the stainless steel decreased and the elongation increased.Under the annealing temperature of 1 050 ℃,the grain of the stainless steel grew up with the prolongation of holding time and the grain grade was reduced,from the initial 10.5 to 7.0.At the same time,the strength of the steel decreased and the elongation increased.
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