Transactions of Materials and Heat Treatment

Title：Annealing process of stainless steel 410 after forging

Authors： Yao Fengsheng

Unit： Jinan Xingyue Machinery Co. Ltd.

KeyWords： stainless steel 410 heat treatment annealing after forging hardness microstructure

ClassificationCode：TG156;TG162

year,vol(issue):pagenumber：2017,42(6):150-154

Abstract：

The existing literature shows that annealing processes of stainless steel 410 forgings are different. In order to determine the suitable annealing process, according to the existing literature, the experiments with different parameters were carried out, and the incomplete annealing process with natural aircooled was determined at 780 ℃ for 2-3 hours by comparison of hardness and metallographic structure. However, the forging process of stainless steel 410 was strictly executed, and the final forging temperature was controlled above 900 ℃. Furthermore, the annealing process was practiced in the production process, and the results show that the annealing process can ensure hardness 180～220HBW as well as improve the expected performance of cutting. Comparing incomplete annealing process with the full annealing process, the qualified rate of the forging hardness, machining performance and production efficiency are improved, and the mechanical properties of the final product are also improved. Thus, the annealing process has strong practicability and good economic benefits.

Funds：

姚凤胜（1979-），男，学士，助理工程师

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