After rough machining, sensitive or large processing capacity of 1.2344 steel parts, also must carry on stress-relief annealing processing, to eliminate processing stress and straightening stress. Because the stress can cause not to allow change in size, deformation and cracks in quenching process.
Eliminate stress slowly heating in the low temperature (about 100~150K/h), highest do not exceed 300 degrees C. It is best to use the electric heating furnace with program control and circulating air. After heating, the furnace can also control slow cooling, does not require special protective measures to prevent annealing 1.2344 steel oxide skin or surface damage occurs.
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Eliminate stress slowly heating in the low temperature (about 100~150K/h), highest do not exceed 300 degrees C. It is best to use the electric heating furnace with program control and circulating air. After heating, the furnace can also control slow cooling, does not require special protective measures to prevent annealing 1.2344 steel oxide skin or surface damage occurs.
The above article from Songshunsteel official website (http://www.songshunsteel.com/)
The original address: http://www.songshunsteel.com/news_show_27_15_57.html, reproduced please specify. songblog1503
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