q235b

And using the experimental data and testing reports of metal phases of Q235B steel to verify the simulation .

并用在涟钢对Q235B钢的所得实验数据、金相检测结果进行验证。

The method of eliminating Q235B hot rolled steel strip cross break defect by changing rolling process is described in this paper .

横折是指热轧板卷开卷过程中，在板卷的某个部位出现垂直于轧向的条状折痕。

The considerable physical and chemical examination and structure analysis were carried on for the cold-bending cracking specimen of Q235B hot rolled strip .

对钢带发生的冷弯开裂试样进行了大量理化检测、组织分析。

The results of under-reaming experiment for Q235B , DP590 and the test steel showed that the test steel has excellent flange elongation .

对Q235B、双相钢DP590和试轧钢板进行的扩孔试验结果表明，试轧钢板亦具有良好的延伸凸缘性能。

In this paper , it was studied to improve the fatigue strength of welded joints and structrures of low carbon steel Q235B by peening the welded toes with ultrasonic equipment .

文中利用自行研制的超声波冲击实验装置，对提高低碳钢焊接接头疲劳强度进行了研究。