Q420GJDZ25高强度抗撕裂高建钢开发与实践

Development and Practice of Q420GJDZ25 High Strength Tear Resistant High Construction Steel

基于装配式建筑结构用钢的高速发展要求,酒钢开发了适合西北地区温差大环境下的高强度、抗温差、抗撕裂建筑结构用高建钢Q420GJDZ25,掌握了高建钢生产技术,产品的力学性能、屈强比、抗层状撕裂等性能指标优于标准要求,实现了批量供货并得到用户的高度认可。

Based on the requirements of the rapid development of fabricated building structure steel,Jiusteel has developed Q420GJDZ25,a high-strength,temperature-resistant and tear resistant high-construction steel suitable for the environment of temperature difference in Northwest China.It has mastered the production technology of high-construction steel,and its mechanical properties,yield ratio,laminar tear resistance and other performance indicators are better than standard requirements.It has achieved batch supply and has been highly recognized by users.