2021 Vol. 36, No. 3

Display Method:
Review
Research Progress on Multi-Microalloyed Fire-Resistant Steel
Xin Wang, Zhaodong Li, Ke Zhang, Wentao Wang, Zhongmin Yang, Qilong Yong
2021, 36(3): 1-11. doi: 10.13206/j.gjgS20073101
Abstract:
With the development of social economy, the construction industry has put forward higher requirements for the strength of building materials. The microstructure of construction steel for building has developed from ferrite/pearlite to ferrite/bainite...
Research
Effect of Microalloying Elements on Microstructure and Properties of 690 MPa Fire-Resistance Steel
Jingjing Du, Zhongmin Yang, Xin Wang, Yanguang Cao, Zhaodong Li, Wanhua Yu
2021, 36(3): 12-21. doi: 10.13206/j.gjgS20070804
Abstract:
In view of the problems that the yield ratio of 690 MPa air-cooled bainite fire-resistant steel is too high to meet the seismic performance, as well as the impact toughness is too low and the yield strength at 600 ℃ is reduced, two kinds of low-carbo...
Research and Analysis on Material Properties and Resistance Partial Coefficient of 460FRW Anti-Seismic and Anti-Corrosion Fire-Resistant Steel
Wentao He, Chuhan Liu, Ming Wang, Dongya Nan, Changdong Wu, Peng Liu, Xiaorun Li
2021, 36(3): 22-27. doi: 10.13206/j.gjgS20100210
Abstract:
In order to adapt to the rapid domestic and overseas development of structural steel and to meet the requirements of steel structure on the mechanical properties and special properties of steel plate for construction, Shougang has independently devel...
Analysis on the Impact Resistance of Q460FRW for Building Structure at Low Temperature
Zhiming Wang, Shanglin Lyu, Xin Wang, Zhaodong Li, Kun Liu, Longteng Ma
2021, 36(3): 28-33. doi: 10.13206/j.gjgS20061601
Abstract:
In order to verify the design requirements of low temperature impact resistance of Q460FRW steel, its impact toughness at low temperature was tested with SANS pendulum impact testing machine, and the fracture morphology of samples was analyzed. Accor...
Study on the Influence of Microstructure on the Properties of 460 MPa Seismic-Resistant and Fire-Resistant Construction Steel
Jinghua Cong, Xuemin Wang, Jiangwen Li, Ping Du, Fengjuan Wu
2021, 36(3): 34-38. doi: 10.13206/j.gjgS20070801
Abstract:
We have designed a new kind of Mo-saving low carbon seismic-resistant and fire-resistant constructional steel which consists of bainite and ferrite. The study found that constructional steels with different volume fractions of bainite were obtained b...
Research and Development of Anti-Seismic, Corrosion-Resistant and Fire-Resistant Extra Thick Steel Plate for Q460GJEZ35
Jiheng Yuan, Zhongbo Li, Dong Yang, Zhenglei Tang, Yang Yang, Keyi Fu, Yansheng Xue
2021, 36(3): 39-45. doi: 10.13206/j.gjgS20070802
Abstract:
With the construction of more and more super high-rise and large-span building projects, higher requirements are put forward for the high strength, long life and service safety of building structural steel. The development of 460 MPa anti-seismic, co...
The Influence of Rolling Temperature on Mechanical Properties of Weathering Resistant Hot-Rolled H-Section Steel
Meng Xia, Hui Chen, Jie Wang, Lin Peng, Junwei He, Jun Xing, Jingcheng Yan
2021, 36(3): 46-51. doi: 10.13206/j.gjgS20031202
Abstract:
According to the deformation characteristics of hot-rolled H-section steel that flange thickness deformation concentrated in the universal rolling stage, the opening rolling temperature of universal stage was set at 800-1 000 ℃, and the other main te...
Atmospheric Corrosion of Weathering Steels for Assembly Steel Structure
Jianwen Fan, Guoqiang Sun, Yonggang Gao, Ying Chen, Qicheng Wang, Han Dong
2021, 36(3): 52-57. doi: 10.13206/j.gjgS20021001
Abstract:
Assembly steel structure buildings with characterization of energy saving, environmental protection and source recycling, are in line with the future development direction of Chinese buildings. But, steel corrosion protection have to be concerned in ...