Cr-Mo微合金冷镦钢的显微组织、力学性能及强化机制

陈继林, 冯光宏, 马洪磊, 杨栋, 刘维

Microstructure, Mechanical Properties, and Strengthening Mechanism of Cr-Mo Microalloy Cold Heading Steel

CHEN Jilin, FENG Guanghong, MA Honglei, YANG Dong, LIU Wei

表1 Cr-Mo微合金钢的轧制工艺

Table 1 Rolling technology of Cr-Mo microalloyed steels

Process Finishing temperature / oC Spinning temperature / oC Heat cover Blower Cooling rate / (m·s-1) 1 900 820 Close Close 0.3 2 900 860 Close Close 0.4 3 935 900 Close Close 0.5 4 970 950 Close Close 0.7