HRB400

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1.

This paper introduces the trial production of hot-rolled bar HRB400 by microalloying process of "FeV+nitrogen enrichment agent " .

前言：介绍利用 “钒铁 +富氮剂 ”微合金化工艺生产 HRB400 热轧螺纹钢筋的工业试验。

2.

The result indicates that it is feasible to produce HRB400 reinforced bar using VNmicroalloying.

研究结果表明，应用钒氮合金生产 HRB400 钢筋的工艺是可行的。

211.103.157.156

3.

In the paper , it is introduced the whole process of developing HRB400 hot rolled ribbed bars and the results of trial production .

文中介绍了 HRB400 热轧带肋钢筋的整个开发过程，给出了试制结果。

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4.

Stress corrosion in flash welding butt joint of steel bar HRB400 is studied .

针对 HRB400 钢筋闪光对焊接头的应力腐蚀过程进行研究。

5.

That replacing HRB335 and HRB400 reinforced bars by HRB500 reinforced bars has good social and economic efficiency .

HRB500 级钢筋取代 HRB335 以及 HRB400 级钢筋，具有良好的社会效益和经济效益。