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doi:10.13228/j.boyuan.issn1005-4006.20150068

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Abstract Through the study on strength and plasticity of medium carbon MnV series non-quenched and tempered steel billet at different temperatures within the scope of 650-1 200 �棬 their changing rule and the best plastic zone temperature range were found. When temperature is below 800 �棬 billet percentage reduction of area is no more than 75%. While temperature rises above 850 �棬 percentage reduction of area is obviously improved. Especially when temperature is over 925 �棬 percentage reduction of area is more than 95%. According to this�� it is determined that the entry point temperature is over 925 �� and the exit point temperature is over 850 �棬 that the billet surface crack is reduced.

Key words�� medium carbon MnV series,non quenched and tempered steel,CCM billet,high temperature physical property, straightening temperature

Received: 23 June 2015 Published: 13 January 2016

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	Articles by authors
	HAO Pan-Yang
	BO Su-Hong
	GAO Qi
	DAI Guan-Wen

Cite this article:

HAO Pan-Yang,BO Su-Hong,GAO Qi��. Research and application on high temperature mechanical property of medium carbon MnV series non-quenched and tempered steel billet[J]. Chinese Journal of Iron and Steel, 2015, 40(6): 63-66.

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http://gt.chinamet.cn/Jweb_lz/EN/10.13228/j.boyuan.issn1005-4006.20150068 OR http://gt.chinamet.cn/Jweb_lz/EN/Y2015/V40/I6/63