Effects of flame cutting on the properties of 12Cr2Mo1R heavy plate
The features of microstructure and hardness near the cut layer of the 12Cr2MolR heavy plate with thickness 95 mm was investigated after flame cut.The results show that a obvious martensite microstructure band with different grain size and hardening zone near the cut surface,and a distinct zone near the upper surface of plate.A comparison with the features of microstructure and hardness near the cutting surface of finished product has been carried out.The effects of hardening zone and martensite microstructure on the cold bend shape and welding are analyzed.Those results can provided basis for stipulating the cutting technology and machine surplus of the welding groove for this heavy plate,and have some directive meaning of the curl forming and welding of the this kind of heavy plate.
12Cr2Mo1R flame cutting microstructure hardening
Jiang Hongsheng Zhang Hanqian Xu Weicheng Cong Yu Wang Guodong
Northeastern University,Shenyang 110006,China Baoshan Iron &Steel Co.,Ltd.,Shanghai 201900,China Baoshan Iron &Steel Co.,Ltd.,Shanghai 201900,China Northeastern University,Shenyang 110006,China
国际会议
上海
英文
360-364
2008-09-26（万方平台首次上网日期，不代表论文的发表时间）