长期时效对20Cr1Mo1VTiB螺栓钢的组织和力学性能的影响
赵孟雅, 彭涛, 赵吉庆, 杨钢, 杨滨

Effect of Long-term Aging on Microstructure and Mechanical Properties of 20Cr1Mo1VTiB Bolt Steel
ZHAO Mengya, PENG Tao, ZHAO Jiqing, YANG Gang, YANG Bin
表2 20Cr1Mo1VTiB螺栓钢力学性能的执行标准
Table 2 Execution standards for mechanical properties of the 20Cr1Mo1VTiB bolt steel
Mechanical PropertyRm/MPa (500℃)Rp0.2/MPa (500℃)

- 2 0 ℃ )

Akv2/J (

Experimental value605.5537.3168
Required value≥543≥507≥70